Seiko Cal. 3840 - 642

This Spring Drive model from 1968 features a 34mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-f90682995a57]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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