Seiko Cal. 3817 - 980

This Spring Drive model from 1967 features a 40mm Titanium case. Powered by the 3817 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-091ba5684144]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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