Seiko Cal. 6644 - 304

Released in 1982, the Cal. 6644 with design code 304 was part of Seiko's domestic market collection. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-343a3bd04aa5]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1982

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