Seiko Cal. 5664 - 729

The 5664-729 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-8f3a79c98062]

Also known as: Bellmatic, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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