Seiko Cal. 5686 - 966

Seiko 5686-966

The 5686-966 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1f81048c8149]

Also known as: Sumo, UFO

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1981

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