Seiko Cal. 3878 - 925

The Seiko 3878-925 represents an important milestone in Seiko's 1981 lineup. Powered by the 3878 caliber with 26j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-8c30a06e97a5]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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