Seiko Cal. 3817 - 187

This Hand-Winding model from 1969 features a 39mm Hardlex-Coated Steel case. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-00ee6d806b93]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1969

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