Seiko Cal. 5646 - 334

The Seiko 5646-334 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-3ac7b074b057]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1983

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