Seiko Cal. 6687 - 861

This Spring Drive model from 1976 features a 41mm Two-Tone case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-c9979c7d1eb4]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1976

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