Seiko Cal. 4451 - 649

Released in 1976, the Cal. 4451 with design code 649 was part of Seiko's domestic market collection. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-ec4bd26f69c0]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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