Seiko Cal. 6699 - 378

This Solar model from 1978 features a 44mm Two-Tone case. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-c7713e0b0df3]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1978

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