Blancpain Fifty Fathoms Bathyscaphe Titanium vs Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015)
The Blancpain Fifty Fathoms Bathyscaphe Titanium and the Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015) 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.
| BlancpainFifty Fathoms Bathyscaphe Titanium | Grand SeikoEvolution 9 Spring Drive Diver 200m (SLGA015) | |
|---|---|---|
| Price | $13,200 | $12,600 |
| Case diameter | 43.0 mm | 43.8 mm |
| Thickness | 13.45 mm | 13.8 mm |
| Lug-to-lug | – | 51.5 mm |
| Water resistance | 300 m | 200 m |
| Weight | – | 150 g (w/ bracelet) |
| Titanium grade | Grade 23 (Ti 6Al-4V ELI) | High-intensity titanium |
| Surface treatment | Satin-brushed | Zaratsu polished |
| Movement | Automatic (in-house) | Spring Drive |
| Power reserve | 120 h | 120 h |
| Complications | Date | Date |
| Crystal | Sapphire, AR coated | Dual-curved sapphire, AR coated |
| Bracelet / strap | Titanium bracelet / sailcloth / NATO | High-intensity titanium bracelet |
| Origin | Switzerland | Japan |
| Confidence | High | High |
Full details: Blancpain Fifty Fathoms Bathyscaphe Titanium · Grand Seiko Evolution 9 Spring Drive Diver 200m (SLGA015)
All Blancpain titanium watches · All Grand Seiko titanium watches · How we verify & grade