Seiko Prospex Shogun Titanium (SPB191)
The Seiko Prospex Shogun Titanium (SPB191) is a current-production diver watch with a titanium (grade undisclosed) case, finished with super-hard coating. At 99 g it sits around the middle for diver watches in the guide, and is priced close to the $1,199 median for the category. It ships on a matching exotic-material bracelet rather than a strap.


- Type
- Diver
- Case diameter
- 43.5 mm
- Thickness
- 13.3 mm
- Origin
- Japan
- Movement
- Automatic
- Caliber
- Seiko 6R35
- Power reserve
- 70 h
- Complications
- Date
- Colour
- Grey
- Surface treatment
- Super-hard coating
- Nickel-free
- Not verified (contact-point materials not all confirmed)
- Bracelet / strap
- Titanium bracelet
- Matching bracelet
- Standard
- Crystal
- Sapphire, AR coated
- Display back
- No
- Dial
- White (SPB191); black (SPB189)
- Dial colours
- Black White
- Lume
- LumiBrite
- Availability
- Offered
- Status
- Current
- Not published
- Reference, Lug-to-lug, Hardness, Construction, Caseback
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Frequently asked questions
What is the case material of the Seiko Prospex Shogun Titanium (SPB191)?
The Seiko Prospex Shogun Titanium (SPB191) has a titanium (grade undisclosed) case. This is confirmed against the maker spec.
What size is the Seiko Prospex Shogun Titanium (SPB191)?
It is 43.5 mm in diameter, 13.3 mm thick, and water resistant to 200 m.
How much does the Seiko Prospex Shogun Titanium (SPB191) weigh?
About 99 g (head).
How much does the Seiko Prospex Shogun Titanium (SPB191) cost, and is it available?
It is current-production and lists from $1,200.
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