Seiko Cal. 6638 - 671

This Solar model from 1976 features a 43mm Two-Tone case. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-a10766734831]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1976

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