Seiko Cal. 5640 - 514

This Solar model from 1977 features a 43mm Hardlex-Coated Steel case. Powered by the 5640 caliber with 17j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-f0c5ad7bd9bd]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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