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.

 Powered by a COSC-certified Sellita SW330-2 automatic movement, it offers a 56-hour power reserve and displays a second time zone via a slim, bidirectional 48-click GMT bezel, available in ceramic or steel and easily interchangeable without tools. The watch includes a sapphire crystal, exhibition caseback, quick-release strap system, and a carbon fiber folding clasp with micro-adjustment, delivering versatility, comfort, and Swiss precision in one standout timepiece.

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.