Seiko Cal. 4450 - 507

The Seiko 4450-507 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c09489e93da5]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1970

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