Seiko Cal. 6644 - 963

This Solar model from 1970 features a 46mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-93f5b2c4f7d3]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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