Seiko Cal. 5634 - 218

This Automatic model from 1971 features a 38mm PVD Black case. Powered by the 5634 caliber with 17j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-b8d436093951]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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