Formex Watch: Airfield Automatic Horizon Blue

Formex: the AirField Automatic Horizon Blue, a hardened titanium pilot's watch

The Formex AirField Automatic Horizon Blue brings the lightweight architecture of the Field collection to the world of aviation watches. Its 40mm hardened Grade 2 titanium case frames a deeply grained blue dial designed for maximum legibility. The wide hands and recessed Arabic numerals give the Formex AirField Blue an identity directly inspired by cockpit instruments.

The Formex AirField Horizon Blue features remarkably balanced proportions, measuring 40mm in diameter, 46.6mm lug-to-lug, and 10.6mm in thickness. Its Grade 2 titanium case undergoes a hardening process that increases its surface hardness to approximately 900 Vickers, while maintaining a weight of just 54g for the case alone. An anti-reflective sapphire crystal protects the dial of this AirField Blue, while a screw-down crown and 150-meter water resistance reinforce its tool watch character.

The Formex AirField Horizon Blue is powered by the new Sellita SW200-2 Power+, a Swiss Made automatic movement with 26 jewels, operating at 28,800 vibrations per hour / 4 Hz. This evolution of the SW200 increases the power reserve to 65 hours while retaining the hour, minute, second, and date display. The color-matched date wheel allows the AirField Blue to maintain a sleek, monochrome presentation.

The Formex AirField Horizon Blue is offered on a brown leather strap. Its quick-release spring bar system allows for tool-free strap changes. The solid case back, decorated with a radial engine and propeller motif, extends the aeronautical theme of this AirField, which is designed, developed, and assembled by Formex in Biel/Bienne, Switzerland.

Technical specifications

• Brand: Formex
• Collection: Field
• Model: AirField Automatic Horizon Blue
• Movement: Self-winding mechanical
• Caliber: Sellita SW200-2 Power+
• Frequency: 28,800 vibrations/hour - 4 Hz
• Jewels: 26
• Power reserve: 65 hours
• Functions: Hours, minutes, seconds, and date
• Case: Grade 2 titanium
• Case treatment: Hardening treatment bringing the surface to approx. 900 HV Vickers
• Finish: Matte, satin-brushed
• Diameter: 40 mm
• Lug-to-lug: 46.6 mm
• Thickness: 10.6 mm
• Weight: 54 g 
• Crystal: Sapphire with anti-reflective treatment
• Case back: Solid titanium, decorated with an aircraft radial engine and propeller
• Dial: Deeply grained blue
• Hands: Wide hour/minute hands, sandblasted finish
• Second hand: Slim, with aircraft-shaped counterweight
• Indices: Recessed Arabic numerals and individually filled hour markers
• Luminescence: Super-LumiNova® BGW9 Grade A
• Crown: Screw-down
• Strap: Nylon or leather options available
• Strap width: 20 mm
• Clasp: Adjustable Velcro closure; deployment buckle for leather straps
• Water resistance: 15 ATM / 150 meters
• Origin: Swiss Made
• Formex warranty: 3-year international warranty

Why choose this watch?

The Formex AirField Automatic Horizon Blue combines a compact and lightweight hardened titanium case with a Swiss movement offering a 65-hour power reserve. With a diameter of just 40mm and a 46.6mm lug-to-lug, the AirField Blue prioritizes versatile ergonomics while providing an anti-reflective sapphire crystal, a screw-down crown, and 150 meters of water resistance. The titanium treatment to approximately 900 Vickers is also a significant advantage for minimizing signs of daily wear.

The Formex AirField Automatic stands out primarily for its focus on legibility: grained blue dial, recessed Arabic numerals individually filled with Super-LumiNova BGW9 Grade A, sword-style hands, and a second hand with an aeronautical counterweight. Paired with the nylon strap, this AirField Blue is one of the most technical and lightweight offerings in the Formex range for those seeking a Swiss Made automatic watch inspired by aviation.

About the Formex brand

Founded in Switzerland in 1999, Formex develops its watches in Biel/Bienne with a strong focus on engineering, ergonomics, and technical materials. The brand is well known for its use of titanium, ceramic, and carbon fiber, as well as for various patented systems designed to enhance the comfort and daily usability of its watches.

With the Formex AirField Automatic Horizon Blue, the brand adapts the lightweight and functional base of its Field family to a more assertive aeronautical aesthetic. The AirField Horizon Blue also introduces the Sellita SW200-2 Power+ caliber with a 65-hour power reserve to this hardened titanium architecture. This new Formex thus retains the utilitarian approach of the Field collection while developing a unique identity inspired by cockpit instruments.