Seiko Cal. 3888 - 288

Seiko 3888-288

The 3888-288 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3888 caliber with 26j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-1b5730fb3e79]

Also known as: Monster, Sumo

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
26j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1973

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