Seiko Cal. 4539 - 639

The 4539-639 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-310468cb2de0]

Also known as: Emperor, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1974

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