Seiko Cal. 4453 - 637

The Seiko 4453-637 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-a499df2d79e3]

Also known as: Rally, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1981

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