Seiko Cal. 5634 - 771

The 5634-771 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-db210f743fc6]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1967

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