Seiko Cal. 3850 - 990

This Hand-Winding model from 1978 features a 41mm Hardlex-Coated Steel case. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-851fb6ac8fd4]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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