Seiko Cal. 3844 - 181

This Hand-Winding model from 1975 features a 40mm Hardlex-Coated Steel case. Powered by the 3844 caliber with 33j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-8a0e3f9f53a2]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

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