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

The Formex Reef GMT 42mm – White Dial features a 42mm stainless steel case with a slim 11.4mm profile and 300 meters of water resistance. It’s powered by a COSC-certified Sellita SW330-2 automatic GMT movement with a 56-hour power reserve, visible through a sapphire exhibition caseback.

The white sunburst dial offers excellent legibility with BGW9 Super-LumiNova on hand-applied indices and hands. A 48-click bidirectional ceramic or steel bezel tracks a third time zone and can be swapped tool-free. With a quick-release strap system and a carbon composite deployant clasp with micro-adjustment, the Reef GMT combines versatility, precision, and comfort in a travel-ready dive watch.

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.