Seiko Cal. 6680 - 443

Seiko 6680-443

The 6680-443 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6680 caliber with 28j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-0fe19cd114de]

Also known as: Tuna, Panda

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1971

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