Formex watch: Airfield Automatic Jet Black

Formex: the AirField Automatic Jet Black, a hardened titanium aviator watch

The Formex AirField Automatic Jet Black transposes the lightweight architecture of the Field collection into the world of aviation watches. Its 40 mm hardened Grade 2 titanium case surrounds a finely grained black dial designed to maximize legibility. The wide hands and recessed Arabic numerals give the Formex Black AirField an identity directly inspired by cockpit instruments.

The Formex AirField Jet Black features particularly well-balanced proportions with a 40 mm diameter, 46.6 mm lug-to-lug, and 10.6 mm thickness. Its Grade 2 titanium case undergoes a hardening treatment that brings its surface hardness to approximately 900 Vickers, while maintaining a weight of only 54 g for the case alone. An anti-reflective sapphire crystal protects the dial of this Black AirField, while a screw-down crown and a 150-meter water resistance reinforce its character as a tool watch.

The Formex AirField Jet Black 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 hours, minutes, seconds, and date display. The date wheel, color-matched to the dial, allows the Black AirField to maintain a monochrome and highly legible presentation.

The Formex AirField Jet Black is offered on a black nylon strap with a Velcro closure, which is lightweight, elastic, water-resistant, and washable. Its quick-release spring bar system allows for strap changes without tools. The solid case back, decorated with a radial engine and propeller, extends the aeronautical theme of this AirField, designed, developed, and assembled by Formex in Biel/Bienne, Switzerland.

Technical specifications

• Brand: Formex
• Collection: Field
• Model: AirField Automatic Jet Black
• 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 approximately 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: Finely grained black
• Hands: Wide hour/minute hands, sandblasted finish
• Seconds 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
• Strap width: 20 mm
• Clasp: Adjustable Velcro closure; folding clasp 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 Jet Black combines a compact and lightweight hardened titanium case with Swiss mechanics offering a 65-hour power reserve. At just 40 mm in diameter and 46.6 mm lug-to-lug, the Black AirField prioritizes versatile ergonomics while featuring 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 genuine advantage in limiting marks from daily wear.

The Formex AirField Automatic stands out primarily for its focus on legibility: grained black dial, recessed Arabic numerals individually filled with Super-LumiNova BGW9 Grade A, sword hands, and a seconds hand with an aeronautical counterweight. Paired with the nylon strap, this Black AirField 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 company is particularly known for its use of titanium, ceramic, carbon fiber, and various patented systems designed to improve the comfort and daily usability of its watches.

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