Seiko Cal. 6665 - 781

Seiko 6665-781

The 6665-781 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6665 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-0b60743c34f6]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1981

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