Seiko Cal. 5664 - 735

Released in 1971, the Cal. 5664 with design code 735 was part of Seiko's domestic market collection. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-dacfa0009ea5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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