Seiko Cal. 5634 - 107

This Spring Drive model from 1971 features a 43mm PVD Black case. Powered by the 5634 caliber with 23j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-d2c0063a46d2]

Also known as: Shogun, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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