Seiko Cal. 3860 - 146

This Automatic model from 1975 features a 37mm Stainless Steel case. Powered by the 3860 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-10486d6654e3]

Also known as: Bullhead, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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