Seiko Cal. 5640 - 661

This Kinetic model from 1991 features a 34mm Two-Tone case. It features a White dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-56a02c296888]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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