Seiko Cal. 3817 - 237

This Hand-Winding model from 1985 features a 34mm Two-Tone case. Powered by the 3817 caliber with 20j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-8e69131b4cf7]

Also known as: Rally, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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