Seiko Cal. 6634 - 563

The Seiko 6634-563 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-250f3e93d529]

Also known as: Panda, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1974

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