Seiko Cal. 3888 - 250

Seiko 3888-250

This Spring Drive model from 1981 features a 46mm Titanium case. Powered by the 3888 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-7046f7969bb1]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
21j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1981

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