Seiko Cal. 6670 - 666

Seiko 6670-666

The Seiko 6670-666 represents an important milestone in Seiko's 1972 lineup. Powered by the 6670 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-77a93cd78ccd]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Silver
Jewels
34j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1972

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