Seiko Cal. 0733 - 503

The Seiko 0733-503 represents an important milestone in Seiko's 1993 lineup. Powered by the 0733 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-94eacb2a7ea7]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1993

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