Seiko Cal. 3878 - 767

The 3878-767 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-651407fbf7ed]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1984

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