Seiko Prospex Shogun Titanium (SPB191) vs Tutima M2 Seven Seas (Titanium)
The Seiko Prospex Shogun Titanium (SPB191) and the Tutima M2 Seven Seas (Titanium) are both titanium diver watches. This is a side-by-side of their case size, weight, titanium grade, movement, water resistance, and price, drawn from the verified specs in the Titanium Field Guide.
| SeikoProspex Shogun Titanium (SPB191) | TutimaM2 Seven Seas (Titanium) | |
|---|---|---|
| Price | $1,200 | – |
| Case diameter | 43.5 mm | 44.0 mm |
| Thickness | 13.3 mm | 13 mm |
| Lug-to-lug | – | – |
| Water resistance | 200 m | 500 m |
| Weight | 99 g (head) | – |
| Titanium grade | Titanium (grade undisclosed) | Titanium (grade undisclosed) |
| Surface treatment | Super-hard coating | None |
| Movement | Automatic | Automatic |
| Power reserve | 70 h | – |
| Complications | Date | Day-date |
| Crystal | Sapphire, AR coated | Sapphire (3 mm), AR coated |
| Bracelet / strap | Titanium bracelet | Titanium bracelet or Kevlar strap |
| Origin | Japan | Germany |
| Confidence | High | Medium |
Full details: Seiko Prospex Shogun Titanium (SPB191) · Tutima M2 Seven Seas (Titanium)
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