Seiko Cal. 5659 - 979

This Hand-Winding model from 1978 features a 36mm Two-Tone case. Powered by the 5659 caliber with 20j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-6c760716aac7]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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