Oris a bronze and stainless steel automatic diver's watch with date ref 7720-31 case 3487570 no 1950/2000 Carl Brashear limited edition recent, Cal. 733 automatic winding movement with 38 hour power, blue dial with luminous dagger, dot, baton indexes and hands, sweep centre seconds, date aperture at 6, rotating bezel calibrated to 60 units, bronze case, stainless steel case back, case, dial and movement signed, with an Oris bronze buckle, diameter 42 mm. Accompanied by an Oris box, additional steel buckle, guarantee card dated 2016 and booklet
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- Bezel - On a clock or watch, the bezel is the metal frame into which the watch or clock glass is fitted. In clocks, the bezel may include a hinge and a flange, in effect a door to the face of the clock. In jewellery the bezel is a band of metal with a projecting lip that holds the gemstone in its setting.
- Baton Numerals - A watch that instead of displaying numerals on the face, displays a marker in the form of a baton, or lower case letter "L". Since the baton-like marks are not numerals, the feature is also called baton markers, baton indexes and baton indicators.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
- Bronze - An alloy of copper and tin, traditionally in the proportions of about 9 parts of copper to 1 part of tin.
The discovery of bronze in Western Asia in the 4th century enabled people to create metal objects which were superior to those previoulsy possible because of its strength and hardness, and it has been used throughout the world for weapons, coins, tools, statuary and other decorative items.
It is very fluid in a molten state, and its hardness, strength when set, and non-corrosive properties makes it most suitable for casting sculpture.
- Date Aperture - A date aperture is a cut out section in the face of a watch or clock, displaying the day of the month.
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