Seiko Cal. 3861 - 633

This Hand-Winding model from 1982 features a 44mm Hardlex-Coated Steel case. Powered by the 3861 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-4f91c3a3057f]

Also known as: Samurai, Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

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