Seiko Cal. 5634 - 971

This Automatic model from 1965 features a 35mm PVD Black case. Powered by the 5634 caliber with 19j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-090dc9929fbd]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1965

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