Seiko Cal. 6642 - 159

The Seiko 6642-159 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-9d4ccc66ee1d]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

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