Seiko Cal. 4576 - 737

Released in 1966, the Cal. 4576 with design code 737 was part of Seiko's domestic market collection. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-3d46f78bf9ed]

Also known as: Navigator, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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