Seiko Cal. 4555 - 155

Released in 1971, the Cal. 4555 with design code 155 was part of Seiko's domestic market collection. Powered by the 4555 caliber with 21j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-bf33af55dfaa]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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