Seiko Prospex Sea – 41.3 mm

Reference Number
SPB485J1

TECHNICAL SPECIFICATIONS

MOVEMENT
Caliber Number: 6R55
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 72 hours(3 days)
Jewels: 24
Functions: Stop second hand function

CASE/BAND
Case Material: Stainless steel
Case Size:
– Thickness:12.5mm
– Diameter:41.3mm
– Lug-to-lug:48.2mm
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: 20mm

OTHER DETAILS
Water Resistance: 300m / 1000ft diver’s
Magnetic Resistance: 4,800 A/m
Features:
– Unidirectional rotating bezel
– Screw-down crown
– Screw case back