Seiko Cal. 3874 - 844

This Hand-Winding model from 1984 features a 41mm Hardlex-Coated Steel case. Powered by the 3874 caliber with 27j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-42752b0cb3af]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1984

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