Seiko Cal. 4580 - 228

Seiko 4580-228

The Seiko 4580-228 represents an important milestone in Seiko's 1979 lineup. Powered by the 4580 caliber with 34j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-be1f5cf72f54]

Also known as: Tuna, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1979

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