Seiko Cal. 0771 - 185

This Spring Drive model from 1987 features a 41mm Hardlex-Coated Steel case. Powered by the 0771 caliber with 33j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-29bb9ad353c7]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1987

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