Seiko Cal. 0720 - 978

This Spring Drive model from 1976 features a 39mm Two-Tone case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-c141d3b0930e]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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