Seiko Cal. 6650 - 420

The Seiko 6650-420 represents an important milestone in Seiko's 1993 lineup. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-ac1c4dcfea31]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1993

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