Seiko Cal. 3856 - 930

This Hand-Winding model from 1970 features a 41mm Two-Tone case. Powered by the 3856 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-964a01618c25]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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