Seiko Cal. 4558 - 379

Seiko 4558-379

The Seiko 4558-379 represents an important milestone in Seiko's 1981 lineup. Powered by the 4558 caliber with 33j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-3be7434c7b07]

Also known as: Sumo, World Timer

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1981

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