Seiko Cal. 6690 - 661

This Hand-Winding model from 1972 features a 36mm Gold-Plated case. It features a Burgundy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-5fdbb6faf93b]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1972

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