Seiko Cal. 5664 - 631

The 5664-631 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-c259671abca7]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1973

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