Seiko Cal. 6644 - 594

The Seiko 6644-594 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-046416ebe082]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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