Seiko Cal. 3878 - 610

Seiko 3878-610

The 3878-610 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3878 caliber with 18j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-74a7c4cbf810]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
18j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1968

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