Seiko Cal. 6644 - 738

The 6644-738 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-2de05cd4b6e0]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1976

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