Seiko Cal. 4539 - 690

The 4539-690 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-1f29dc289980]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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