Seiko Cal. 6660 - 677

Seiko 6660-677

The Seiko 6660-677 represents an important milestone in Seiko's 1983 lineup. Powered by the 6660 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-8e824052a78e]

Also known as: Rally

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
9.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1983

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seikata-wm-8e824052a78e