Seiko Cal. 5640 - 804

This Solar model from 1979 features a 34mm Stainless Steel case. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-ae6d35ae1698]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1979

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