Seiko Cal. 6668 - 726

Seiko 6668-726

The 6668-726 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6668 caliber with 31j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-53bd567f16a2]

Also known as: Bullhead, Navigator

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1986

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seikata-wm-53bd567f16a2