Seiko Cal. 3871 - 652

This Hand-Winding model from 1981 features a 43mm Two-Tone case. Powered by the 3871 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-759963a2ee9c]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1981

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