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Discussion Starter · #1 · (Edited)
Hi everyone,
New to this area of WUS. I own Omega Planet Oceans in the 42 and 45.5 sizes. I'm looking for a diver with a size smack in the middle of these two. I was thinking maybe the seiko sumo but am having a hard time gauging how its size relates to the two PO models.

If anyone happens to have a Planet Ocean (either size) AND a sumo, I'd be very grateful I'd you'd be willing to post side-by-side photos.

Also, any other recommendations for a 43mm-ish diver in a similar style?

Thanks so much.
 

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Discussion Starter · #2 ·
Never mind the first part -- I managed to find side by sides. Looks like the XL PO and sumo are close in size. So, back to the second part of my question: any recs for a 43mm diver similar to the seiko diver styles? Thanks.
 

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Hi everyone,
New to this area of WUS. I own Omega Planet Oceans in the 42 and 45.5 sizes. I'm looking for a diver with a size smack in the middle of these two. I was thinking maybe the seiko sumo but am having a hard time gauging how its size relates to the two PO models.

If anyone happens to have a Planet Ocean (either size) AND a sumo, I'd be very grateful I'd you'd be willing to post side-by-side photos.

Also, any other recommendations for a 43mm-ish diver in a similar style?

Thanks so much.
The PO 42mm is 48mm; the 45mm is 51mm. The 45mm Sumo is one of seiko's largest divers at 53mm.
 

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Never mind the first part -- I managed to find side by sides. Looks like the XL PO and sumo are close in size. So, back to the second part of my question: any recs for a 43mm diver similar to the seiko diver styles? Thanks.
If you want a seiko, the Shogun is 43.5mm, 51mm length. One of the best divers in that price range. And unlike the Sumo, it looks great. The Seiko BFK is similar in size, as is the MM300. Actually both of those are a more resonance 50mm. I don't know anything about the Seiko tuna styles, but you can look them all up at Chino watch.
 

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Yes the Sumo is pretty hefty. It is thick and has a wide lug to lug ratio.
 

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Yes the Sumo is pretty hefty. It is thick and has a wide lug to lug ratio.
And yet out works pretty well on a 7 inch wrist due to the low profile, heavy tapering, and curved lugs. One of Seiko's finest, cleverest hours.
 
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Discussion Starter · #7 ·
If you want a seiko, the Shogun is 43.5mm, 51mm length. One of the best divers in that price range. And unlike the Sumo, it looks great. The Seiko BFK is similar in size, as is the MM300. Actually both of those are a more resonance 50mm. I don't know anything about the Seiko tuna styles, but you can look them all up at Chino watch.
Thanks a lot for this, really helpful. Ideally i'm looking for a more budget watch. I googled BFK but what I came up was the SKA371. Is that what you meant? . Forgive me if my ignorance, I'm new to Seiko. But the SKA371 only has a 42mm case according to Amazon. Is there a model number attached to the BFK that you were suggesting?
 

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And yet out works pretty well on a 7 inch wrist due to the low profile, heavy tapering, and curved lugs. One of Seiko's finest, cleverest hours.
Depends on the shape of the wrist. The flat area on top. Some of us have wide flat wrists, others more rounded. I have 7 1/4" diameter wrists, but more rounded. Flat area on top can handle typically 46mm with little to no lcurvature on the lugs, so Seiko 007's fit well. My GSAR it about the limit for a flat case, buy my Squale 1521 strongly curved lugs even though over 48mm fits perfectly.


I've seen people with less than 7" wrists able to wear a Sumo. But in many wrist shots I have seen of the Sumo, it is too big for the owner: the lugs on at least one side are suspended, not resting on the wrist. Looking head on, the watch will look ok on a large wrist, but looking down the wrist, you can often see one side in the air. That's how my Sumo was, and consequently it moved around more that I cared for. I had a MM300, which is 50mm a believe, which did not do that. BFK also was more comfortable.

So so diameter is one factor, but shape is as important, IMHO. I always look at case L x W, not just Watch diameter.
 

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Thanks a lot for this, really helpful. Ideally i'm looking for a more budget watch. I googled BFK but what I came up was the SKA371. Is that what you meant? . Forgive me if my ignorance, I'm new to Seiko. But the SKA371 only has a 42mm case according to Amazon. Is there a model number attached to the BFK that you were suggesting?
Yes, that's one model of the "BFK". i.e. "big freaking Kinetic". Some links below. Some people do not like kinetics; other's do. I had one, and found it to be surprisingly comfortable to wear for such a heavy watch. The bracelet is very well made, perhaps one of the best made for an inexpensive diver. Some have lamented that the BFK's is better than the Sumo and other divers costing several times the BFK. I had a MM300 at the time, and found myself wearing the BFK more because it made a great beater watch, but looked almost as nice as the MM300. Only someone who know about the MM300 would notice it, and the BFK got as many compliments.

The Seiko Shogun is the titanium SBDC007. It has Seiko's proprietary Diashield treatment. I had one and used for a daily wear for about a year, and it had zero of those small almost invisible swirls you get with SS. It has the 6R15 movement, same as the Sumo. It's a bit smaller at 51mm, and is light as a feather. It was and is one of my favorite all time divers, but just a bit too big for my 7 1/4" wrist.

The BFK can be had with the SS bracelet new for around $225; the Shogun closer to $800, and not a beater. Used BFK's in excellent condition can be found for less than $200.

I have owned many Seiko's, in addition to those above several variants of the 007, SARB059 (only watch I still regret flipping), SARB021, Gray Ghost, Monster (shark tooth dial), and a Sumo. The one I cared for the least is the Sumo; it was too big, but also looked to clownish. But it is an excellent value, and those who like it are fanatical (insult the Sumo and be prepared to never start your own car again).

Right now I have a Squale 1521, but it was defective out of the box, and I'm still working on a replacement (disappointedly slow - 4 weeks now; the dealer has been very responsive and helpful, but one has to re-think the mfg... too bad because it's a great looking and fitting watch). Also a Marathon GSAR, and just received a Precista PRS-18Q.

The Legendary Seiko BFK SKA371 | Tough Watches
Seiko Kinetic Diver – SKA579P2 | Yeoman's Watch Review
Seiko Kinetic Diver's SKA371P1 SKA371P SKA371 200M Watch
 

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^yeah, I wouldn't say the Sumo is a "thick" watch.

My PO is much larger and I don't even consider the PO 8500 XL to be a "thick' hefty diver.

What I hated about the Sumo I had was a large face (45mm) with small lugs (20mm) and a pretty thin watch (13.3mm)

I kinda reminded me of a dinner plate with a rubber band for a bracelet, it just looks odd imo.
 

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Discussion Starter · #13 ·
Yes, that's one model of the "BFK". i.e. "big freaking Kinetic". Some links below. Some people do not like kinetics; other's do. I had one, and found it to be surprisingly comfortable to wear for such a heavy watch. The bracelet is very well made, perhaps one of the best made for an inexpensive diver. Some have lamented that the BFK's is better than the Sumo and other divers costing several times the BFK. I had a MM300 at the time, and found myself wearing the BFK more because it made a great beater watch, but looked almost as nice as the MM300. Only someone who know about the MM300 would notice it, and the BFK got as many compliments.

The Seiko Shogun is the titanium SBDC007. It has Seiko's proprietary Diashield treatment. I had one and used for a daily wear for about a year, and it had zero of those small almost invisible swirls you get with SS. It has the 6R15 movement, same as the Sumo. It's a bit smaller at 51mm, and is light as a feather. It was and is one of my favorite all time divers, but just a bit too big for my 7 1/4" wrist.

The BFK can be had with the SS bracelet new for around $225; the Shogun closer to $800, and not a beater. Used BFK's in excellent condition can be found for less than $200.

I have owned many Seiko's, in addition to those above several variants of the 007, SARB059 (only watch I still regret flipping), SARB021, Gray Ghost, Monster (shark tooth dial), and a Sumo. The one I cared for the least is the Sumo; it was too big, but also looked to clownish. But it is an excellent value, and those who like it are fanatical (insult the Sumo and be prepared to never start your own car again).

Right now I have a Squale 1521, but it was defective out of the box, and I'm still working on a replacement (disappointedly slow - 4 weeks now; the dealer has been very responsive and helpful, but one has to re-think the mfg... too bad because it's a great looking and fitting watch). Also a Marathon GSAR, and just received a Precista PRS-18Q.

The Legendary Seiko BFK SKA371 | Tough Watches
Seiko Kinetic Diver – SKA579P2 | Yeoman's Watch Review
Seiko Kinetic Diver's SKA371P1 SKA371P SKA371 200M Watch
I'd just like to thank all of you, particularly nepatriot (despite his poor choice in football teams) for taking the time to give me this information. I know it can be annoying when newbies show up and ask for basic information that's been old hat for years, so it was nice to see such a nice group of people walk me through the basics.

In case anyone's curious, I landed on the Sumo. I was very tempted by the Shogun, but didn't want to spend twice as much for titanium, whose advantages are unnecessary for what I'm looking for in this watch. After seeing enough photos of the Sumo next to the PO XL, I'm convinced it will wear smaller enough to fill the niche I'm looking for.

Anyway, thanks again!
 

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I'd just like to thank all of you, particularly nepatriot (despite his poor choice in football teams) for taking the time to give me this information. I know it can be annoying when newbies show up and ask for basic information that's been old hat for years, so it was nice to see such a nice group of people walk me through the basics.

In case anyone's curious, I landed on the Sumo. I was very tempted by the Shogun, but didn't want to spend twice as much for titanium, whose advantages are unnecessary for what I'm looking for in this watch. After seeing enough photos of the Sumo next to the PO XL, I'm convinced it will wear smaller enough to fill the niche I'm looking for.

Anyway, thanks again!
Nepatriot hit the nail on the head when he distinguished round vs. flat wrists. The Sumo definitely wears smaller due to the curved lugs, but the size of the watch itself ventures into the territory of limited wearability depending on the size and shape of the wrist. Most people are pleasantly surprised with the fit, despite the large dimensions on paper FWIW.
 

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Discussion Starter · #15 ·
Nepatriot hit the nail on the head when he distinguished round vs. flat wrists. The Sumo definitely wears smaller due to the curved lugs, but the size of the watch itself ventures into the territory of limited wearability depending on the size and shape of the wrist. Most people are pleasantly surprised with the fit, despite the large dimensions on paper FWIW.
I have a 7.5", pretty flat wrist. The PO XL sits comfortably on my wrist (the lugs don't remotely overhang) -- my only gripe with it is that the dial size is a bit too big for my liking. So I'm hoping that the wider bezels on the Sumo will take care of this. If not, I guess I'll just sell it!
 

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Just picked up a Sumo and am very happy with how it fits the wrist. I'm stepping up in size from some 42mm steinharts and couldn't be happier with the size on the Sumo. Great value on a very wearable watch.
 
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