Seiko Cal. 5690 - 839

The 5690-839 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5690 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-4f30567b7231]

Also known as: Turtle, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1985

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