Seiko Cal. 6680 - 578

Seiko 6680-578

The Seiko 6680-578 represents an important milestone in Seiko's 1972 lineup. Powered by the 6680 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-98535a6c1a05]

Also known as: Rally

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Champagne
Jewels
21j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1972

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