Seiko Cal. 4450 - 524

Released in 1986, the Cal. 4450 with design code 524 was part of Seiko's domestic market collection. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-ff8aea8f303c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1986

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