Seiko Cal. 5634 - 901

This Spring Drive model from 1975 features a 34mm Hardlex-Coated Steel case. Powered by the 5634 caliber with 29j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-fec8f3be76b0]

Also known as: Pogue, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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