Seiko Cal. 4550 - 258

The Seiko 4550-258 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-e7295a2db116]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1968

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