Seiko Cal. 0733 - 503

Seiko 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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