Seiko Cal. 5690 - 839

Seiko 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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seikata-wm-4f30567b7231