Seiko Cal. 6643 - 696

The 6643-696 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-84dd34379423]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1999

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