Seiko Cal. 5611 - 735

The Seiko 5611-735 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-70883f60a8bf]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1970

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