Seiko Cal. 5633 - 548

Released in 1968, the Cal. 5633 with design code 548 was part of Seiko's domestic market collection. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-7bb808dd3787]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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