The Seiko Alpinist series is designed for those who love the mountains. It is for the Seiko Fans who do not fancy diving but are keen on hiking. Its relatively affordable, attractive in various colours, and strongly reliable.
Seiko Prospex Automatic Alpinist 2021
SPB 210J1
(SBDC 136)
Caliber: 6R35
Automatic with manual winding capacity
Accuracy +25 to -15 seconds per day
Exterior
Case Material: Stainless steel
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on the inner surface
LumiBrite: Lumibrite on hands and indexes
Three-fold clasp with push-button release
Band: Brown leather
Case Size: Diameter 39.5mm, Thickness 13.2mm, Length 46.4mm
Other Details
Water Resistance 20 bar
Rotating compass inner ring
Screw case back
Screw-down crown
See-through case back
Date display
Stop second-hand function
24 jewels