The Formex Reef GMT 42mm Automatic COSC – White is a robust yet refined diver and travel watch, crafted from stainless steel and water-resistant to 300 meters. It features a sunburst white dial with hand-applied indices and BGW9 Super-LumiNova for exceptional legibility.

Case Material: 316L stainless steel
Case Diameter: 42 mm
Case Thickness: 11.4 mm
Lug-to-Lug: 47 mm
Weight: Approx. 170 g (on steel bracelet)
Crystal: Sapphire with anti-reflective coating (front and caseback)
Dial: White sunburst with hand-applied indices and BGW9 Super-LumiNova
Bezel: 48-click bidirectional ceramic or stainless steel, interchangeable without tools
Movement: Sellita SW330-2 automatic GMT
COSC-certified chronometer
Power Reserve: 56 hours
Frequency: 28,800 vph (4 Hz)
GMT function (independent 24-hour hand)
Water Resistance: 300 meters (30 ATM)
Strap Options: Stainless steel bracelet, rubber, or leather (quick-release system)
Clasp: Carbon composite folding clasp with 7 mm tool-free micro-adjustment
Warranty: 3 years

Watch Care Instructions:

Clean regularly with a soft, dry cloth.

Avoid contact with chemicals, solvents, or perfumes.

Keep away from extreme temperatures and magnetic fields.

Ensure the crown is fully pushed in or screwed down before exposure to water.

Store in a dry, cool place or in a watch box when not in use.