Seiko Cal. 4554 - 321

Released in 1974, the Cal. 4554 with design code 321 was part of Seiko's domestic market collection. Powered by the 4554 caliber with 22j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-3ffed20aec45]

Also known as: Sumo, Pogue

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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