Seiko Cal. 6648 - 931

This Hand-Winding model from 1966 features a 39mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-41620d8672fa]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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