Seiko Cal. 3888 - 839

This Spring Drive model from 1990 features a 43mm Stainless Steel case. Powered by the 3888 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-0fc4b6b212ba]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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