Seiko Cal. 4526 - 664

Released in 1971, the Cal. 4526 with design code 664 was part of Seiko's domestic market collection. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-7e0a87be21eb]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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