Seiko Cal. 6642 - 424

The Seiko 6642-424 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-25acde2be723]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1965

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