Seiko Cal. 5664 - 568

This Spring Drive model from 1969 features a 44mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-4cb66d8f8e65]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1969

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