Seiko introduced the Alpinist wristwatch in 1961. SARB017 was introduced and became an instant success. For more history of Seiko Alpinist.
Seiko Alpinist Automatic Green Dial
SARB 017
Movement
Automatic
Caliber 6R15
Spring bars
Escapement frequency: 21,600 beats per hour (6 beats per second)
Accuracy: +25/-15 seconds per day
Power reserve: 50 hours
Exterior
Case Material: Stainless Steel
Case Size: Diameter 38mm, Thickness 12mm
Case Back: Screw-down steel (solid)
Lug width: 20mm
Crystal: Sapphire
dial: Green sunburst
LumiBrite: Hour markers, hour + minute + second hands
Band width: 20mm
Band Material: Brown crocodile leather with brushed silver hardware
Clasp: Buckle
Other Details
Bezel: Fixed polished stainless steel + rotating inner compass
Date display
Water resistance 200m
23 Jewels
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