Seiko Cal. 7184 - 509

The Seiko 7184-509 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c12be39f8ada]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1972

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