Seiko Cal. 3890 - 663

This Spring Drive model from 1989 features a 39mm Hardlex-Coated Steel case. Powered by the 3890 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f0230bfb0ea6]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1989

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