Seiko Cal. 6644 - 755

The Seiko 6644-755 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-5d10cd1c6d03]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1982

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