Seiko Cal. 4550 - 601

The Seiko 4550-601 represents an important milestone in Seiko's 1980 lineup. Powered by the 4550 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-7309cc0ad507]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1980

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