Seiko Cal. 5680 - 722

Seiko 5680-722

The 5680-722 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-98f061aed7c6]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
9.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
29j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1979

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seikata-wm-98f061aed7c6