Seiko Cal. 3861 - 604

This Hand-Winding model from 1968 features a 40mm Stainless Steel case. Powered by the 3861 caliber with 36j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-d305699337c6]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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