Seiko Cal. 3894 - 638

The 3894-638 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3894 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-804e0788e5cf]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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