Seiko Prospex Sea Stainless Steel 42 MM Automatic Diver's Watch - SPB185J1 Grand Seiko Titanium is notoriously difficult to

Titanium is notoriously difficult to process

enhancing rate stability

the HydroConquest line has been expanded with models featuring a GMT function

which was released in 1967 as Grand Seiko’s first mechanical watch to feature automatic winding

Take it to the streets with a G-SHOCK inspired by the gold chains and accessories of hip hop culture

Seiko Prospex Sea Stainless Steel 42 MM Automatic Diver's Watch - SPB185J1 Grand Seiko Titanium is notoriously difficult toCaliber Number: 6R35 Movement Type: Automatic with manual winding Precision: +25 to 15 seconds per day Power reserve: Approx. 70 hours Jewels: 24 Hacking seconds hand function Date display Case Material: Stainless steel Case Size Thickness: 12. 5mm Diameter: 42. 0mm Lug to lug: 48. 8mm Crystal: Sapphire crystal Crystal Coating: Anti reflective coating on inner surface LumiBrite: LumiBrite on hands, index(es) and bezel Clasp: Three fold clasp with