Seiko Prospex 1965 Heritage Diver's Marine Master 39.4 Automatic Watch SJE119J1
Caliber Number: 6L37
Movement Type: Automatic with manual winding
Precision: +15 to -10 seconds per day
Power reserve: Approx. 45 hours
Jewels: 26
28,800 vibrations per hour (9 beats per second)
Stop second hand function
Case Material: Stainless steel
Case Size
Thickness:12.3mm
Diameter:39.5mm
Lug-to-lug:47.2mm
Crystal: Box shaped 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
Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Unidirectional rotating bezel
Screw-down crown
Three-fold clasp with secure lock
See-through & Screw case back