Seiko Cal. 3890 - 903

This Spring Drive model from 1986 features a 41mm Gold-Plated case. Powered by the 3890 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-53a229c39d67]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1986

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