Seiko Cal. 5647 - 680

This Solar model from 1973 features a 38mm Titanium case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-891b539e0ad2]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1973

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