Seiko Cal. 6642 - 618

The Seiko 6642-618 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-98f23a54f656]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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