Seiko Cal. 6681 - 304

This Spring Drive model from 1966 features a 40mm Two-Tone case. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-ae60c20f176c]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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