Seiko Cal. 3881 - 554

The 3881-554 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3881 caliber with 18j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-a97c930c510e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1982

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