Seiko Cal. 3888 - 781

Seiko 3888-781

This Spring Drive model from 1987 features a 45mm Gold-Plated case. Powered by the 3888 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-7814b329997f]

Also known as: Monster, UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1987

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seikata-wm-7814b329997f