Seiko Cal. 5645 - 679

This Solar model from 1973 features a 38mm PVD Black case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5d8ee690bb35]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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