Seiko Cal. 6642 - 557

The 6642-557 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-401fc3fd8c8c]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1980

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