Seiko Cal. 3890 - 383

This Spring Drive model from 1976 features a 36mm Gold-Plated case. Powered by the 3890 caliber with 34j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-29f79edadfa1]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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