Seiko Cal. 6620 - 644

The Seiko 6620-644 represents an important milestone in Seiko's 1998 lineup. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-e8ddc78e6eb7]

Also known as: Shogun, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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