I. Functions
1. Protects the dial and crystal, resists side impacts, prevents foreign object damage, and extends watch lifespan.
2. Assists in time-telling for professional uses:
- Diving bezels feature minute markings for dive timing.
- Pilot bezels include city abbreviations for time zone conversion.
3. Enhances style: Various materials, processes, and shapes offer diverse aesthetics for different occasions.
II. Processing Procedures
1. Design: Create 2D drawings with parameters and optimize using 3D software.
2. Material Selection: Choose materials like stainless steel or titanium, inspect quality upon factory entry.
3. Forming:
- Metal: CNC cutting.
- Ceramic: Rough cutting, grinding, and polishing.
- Rubber: Injection molding.
4. Surface Treatment:
- Metal: Polishing, sanding, electroplating.
- Ceramic: Thin-film plating.
- Rubber: Adding texture.
5. Scale and Marking:
- Metal: Etching, laser engraving with luminous materials.
- Ceramic: Printing pigments before sintering.
- Rubber: Mold or vulcanization printing.
6. Quality Inspection: Examine appearance, dimensions, functionality, and perform salt spray tests for plated bezels. Only qualified pieces proceed to assembly.
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