Seiko Cal. 4558 - 294

Seiko 4558-294

The 4558-294 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4558 caliber with 32j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-cae7a48076e6]

Also known as: Monster, World Timer

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
Navy
Jewels
32j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1973

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