Seiko Cal. 6643 - 280

This Spring Drive model from 1968 features a 34mm Gold-Plated case. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-91b9caf15094]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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