Seiko Cal. 6644 - 398

The 6644-398 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-6ea3027333ea]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1971

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