Seiko Cal. 0771 - 189

This Hand-Winding model from 1991 features a 44mm Hardlex-Coated Steel case. Powered by the 0771 caliber with 36j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-7c0bf3a5c68a]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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