Seiko Cal. 5634 - 930

This Hand-Winding model from 1982 features a 40mm Hardlex-Coated Steel case. Powered by the 5634 caliber with 27j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e8639e836d33]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1982

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