Seiko Cal. 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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