Seiko Cal. 5640 - 304

This Spring Drive model from 1994 features a 34mm Stainless Steel case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-62a2fc7c1109]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1994

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