Seiko Cal. 3878 - 660

The 3878-660 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7aaf870698cb]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

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