Seiko Cal. 6650 - 555

The Seiko 6650-555 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-8629c5e91f96]

Also known as: Navigator, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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