Seiko Cal. 6642 - 855

The 6642-855 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-b8258f55ab20]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1968

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