Seiko Cal. 6693 - 880

This Solar model from 1968 features a 38mm PVD Black case. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-ae5e4ea84d26]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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