Seiko Cal. 3817 - 685

This Spring Drive model from 1979 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-8cfef5ef3f1c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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