Seiko Cal. 4579 - 645

This Solar model from 1975 features a 34mm Titanium case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-9b06d8677643]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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