Seiko Cal. 6642 - 659

The 6642-659 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-95151a30441e]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1985

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