Seiko Cal. 3886 - 630

This Hand-Winding model from 1983 features a 43mm Two-Tone case. Powered by the 3886 caliber with 35j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-9a818a32fcbb]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1983

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