Seiko Cal. 6666 - 764

Seiko 6666-764

The 6666-764 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6666 caliber with 18j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-4a8c649d7cc5]

Also known as: Navigator, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1986

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