Seiko Cal. 3887 - 871

Seiko 3887-871

The 3887-871 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3887 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-4b63c4c3b2a8]

Also known as: Tuna, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
36j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1983

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seikata-wm-4b63c4c3b2a8