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

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
Distance between lugs: 20mm

Water Resistance

200m / 660ft diver's

Magnetic Resistance

4,800 A/m

Weight

176.0g

Features

Gents Seiko Prospex GMT Black Dial