Seiko Cal. 3817 - 658

This Spring Drive model from 1970 features a 39mm Stainless Steel case. With its 19mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-91a34b8d0e8e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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