Seiko Prospex 110th Anniversary Save the Ocean Limited Edition SPB385

Seiko Prospex 110th Anniversary Save the Ocean Limited Edition of 4,000 Pieces Stainless Steel (Bezel: Stainless Steel With Ceramic Display) Automatic With Manual Winding 42mm SPB385

Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size: Thickness:12.9mm Diameter:42.0mm Lug-to-lug:48.6mm
Crystal: Sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock , push button release with extender
Distance between lugs: 20
*In an actual product, the case back direction might be different from the photograph.
Caliber Number: 6R54
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 72 hours(3 days)
Jewels: 24
Functions: 24-hour hand (dual time display function), Stop second hand function
Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 176.0g
Features: LIMITED EDITION on the case back, Serial number engraved on the case back, Unidirectional rotating bezel, Screw-down crown, Three-fold clasp with secure lock, Screw case back