Seiko Prospex Alpinist The Black Series LE 39.5 MM Automatic Watch SPB337J1
Movement
Caliber Number: 6R35
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 70 hours
Jewels: 24
Functions
Stop seconds hand function
Date display
Case Material: Stainless steel (hard coating)
Case Size
Thickness:13.2mm
Diameter:39.5mm
Lug-to-lug:46.4mm
Crystal: Sapphire crystal with magnifier
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: Lumibrite on hands and index(es)
Clasp: Three-fold clasp with push button release
Bracelet Length: 190.0
Distance between lugs: 20
Water Resistance: 20 bar
Magnetic Resistance: 4,800 A/m
Weight: 147.0
Features
LIMITED EDITION on the case back
Serial number engraved on the case back
Rotating compass inner ring
Screw-down crown
See-through & Screw case back