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Rolex Submariner – Key Features & Descriptions 

1. Design & Case:

• Material: Oystersteel (904L stainless steel), Rolesor (steel + gold), or solid 18ct gold variants
• Case Size: 41mm (formerly 40mm in older models)
• Bezel: Unidirectional rotatable bezel with Cerachrom ceramic insert, scratch-resistant
• Water Resistance: Up to 300 meters (1,000 feet)
  2 . Dial:

  Variants: Black, green (“Hulk”), blue (“Smurf” or “Bluesy”)

• Luminous Markers: Chromalight display for long-lasting luminescence
• Date Feature: Some models have a Cyclops lens over the date at 3 o’clock; others are no-date versions

Movement:

• Calibre: Rolex in-house automatic movement (latest is Calibre 3235 for date models, Calibre 3230 for no-date)
• Power Reserve: ~70 hours
• COSC Certified: Yes (Superlative Chronometer)

Bracelet:

• Oyster Bracelet with solid links
• Glidelock Extension System – allows easy micro-adjustment without tools (important for diverse)