Seiko Cal. 4450 - 506

The Seiko 4450-506 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-222c2c2841c3]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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