Seiko Cal. 4550 - 729

The Seiko 4550-729 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-880906cf9481]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1984

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