Seiko Cal. 6648 - 387

This Spring Drive model from 1969 features a 39mm Gold-Plated case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-4ea4cf206517]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1969

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