Seiko Cal. 5639 - 792

The 5639-792 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5639 caliber with 19j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-673575489198]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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