Seiko Cal. 5680 - 686

Seiko 5680-686

The Seiko 5680-686 represents an important milestone in Seiko's 1978 lineup. Powered by the 5680 caliber with 24j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-e1401bc9c72b]

Also known as: Bullhead, Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1978

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