Seiko Cal. 5663 - 978

The Seiko 5663-978 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-bdfc52fd4a88]

Also known as: Panda, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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