Seiko Cal. 3855 - 635

This Hand-Winding model from 1977 features a 39mm Gold-Plated case. Powered by the 3855 caliber with 20j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-1bf44922e49d]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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