Seiko Cal. 4558 - 204

The Seiko 4558-204 represents an important milestone in Seiko's 1972 lineup. Powered by the 4558 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c651b067f98a]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

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