Seiko Cal. 0731 - 182

Released in 1982, the Cal. 0731 with design code 182 was part of Seiko's domestic market collection. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-f2ed822fd463]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1982

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