Seiko Cal. 5639 - 916

This Automatic model from 1972 features a 35mm Hardlex-Coated Steel case. Powered by the 5639 caliber with 36j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-30c1cc3a935c]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1972

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