Seiko Cal. 3887 - 402

Seiko 3887-402

The Seiko 3887-402 represents an important milestone in Seiko's 1973 lineup. Powered by the 3887 caliber with 35j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-47d96fe06838]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1973

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seikata-wm-47d96fe06838