Seiko Prospex Sea GMT – 42 mm

Reference Number
SPB519J1

TECHNICAL SPECIFICATIONS

MOVEMENT
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:

CASE / BRACELET
Case Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size:
– Thickness:13.3mm
– 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, solid & slide adjuster
Bracelet Length: 200.0
Distance between lugs: 20

OTHER DETAILS
Water Resistance: 300m / 1000ft diver’s
Magnetic Resistance: 4,800 A/m
Weight: 188.0g
Features:
– Unidirectional rotating bezel
– Screw-down crown
– Three-fold clasp with secure lock
– Screw case back