Seiko Cal. 3870 - 461

Seiko 3870-461

The 3870-461 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3870 caliber with 34j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-53dba002824f]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Black
Jewels
34j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1999

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