Seiko Cal. 5680 - 589

Seiko 5680-589

The Seiko 5680-589 represents an important milestone in Seiko's 1989 lineup. Powered by the 5680 caliber with 27j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-3b1a3e63ac6b]

Also known as: Sumo, Bullhead

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1989

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