Seiko Cal. 5665 - 509

Seiko 5665-509

The 5665-509 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5665 caliber with 31j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-c9149583d592]

Also known as: Bullhead, UFO

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1977

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seikata-wm-c9149583d592