Seiko Cal. 6644 - 140

The Seiko 6644-140 represents an important milestone in Seiko's 1973 lineup. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-d4eb4a3ad4d0]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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