Seiko Cal. 4550 - 357

Released in 1974, the Cal. 4550 with design code 357 was part of Seiko's domestic market collection. Powered by the 4550 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-5806c07ea9ca]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1974

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