Seiko Cal. 3861 - 384

This Solar model from 1973 features a 35mm Hardlex-Coated Steel case. Powered by the 3861 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-ca60f85703de]

Also known as: Bullhead, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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