Seiko Cal. 3861 - 640

This Kinetic model from 1995 features a 37mm Two-Tone case. Powered by the 3861 caliber with 24j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-454860898cf8]

Also known as: Sumo, Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1995

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