Seiko Prospex Mechanical GMT

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 seconds hand function

Case Material: Stainless steel (super hard coating)

Case Size:

Thickness:13.6mm
Diameter:39.5mm
Lug-to-lug:46.4mm

Crystal: Curved: sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: LumiBrite on hands and index(es)

Band Material: Cow Steer

Clasp: Three-fold clasp with push button release

Distance between lugs: 20mm

Item Number: SPB379