Seiko Cal. 5650 - 615

This Quartz model from 1978 features a 43mm Two-Tone case. Powered by the 5650 caliber with 36j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-d1fa9ece7d86]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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