Seiko Cal. 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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