Seiko Cal. 6642 - 254

The Seiko 6642-254 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-efc787ea122e]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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