Seiko Cal. 5668 - 360

Seiko 5668-360

The 5668-360 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5668 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-70f0cff24c45]

Also known as: Sportsmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1969

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