Seiko Cal. 6639 - 531

This Kinetic model from 1969 features a 39mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-cb496f3969cf]

Also known as: Sumo, Pogue

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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