Seiko Cal. 3881 - 554

Seiko 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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seikata-wm-a97c930c510e