Seiko Cal. 6640 - 716

This Solar model from 1995 features a 43mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-cdcf30f9c4b8]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1995

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