TAG Heuer Formula 1 Solargraph 38 Stainless Steel / Green - Diamond / Bracelet Ref. WBY111B.BA0042

The TAG Heuer Formula 1 Solargraph WBY111B.BA0042 debuted in 2026 as a limited edition of 1,500 pieces, combining a 38mm sand-blasted stainless steel case and bracelet with a pastel green dial set with diamond hour markers. Its case measures 38mm in diameter, 9.9mm in thickness, and 18.5mm between the lugs. A bidirectional TH-Polylight bezel in matching green reinforces the colour treatment of the dial, while the crown and caseback are executed in steel. Water resistance is rated to 100 metres. The dial has an opalin green finish and is fitted with rhodium-plated applied indexes. Eight circular diamond-set hour markers are used, with a total diamond weight of 0.076 carats. The shield-shaped quarter-hour markers remain part of the Formula 1 design language, and a date display completes the layout. Inside is the TAG Heuer Calibre TH50-00, a solar quartz movement displaying hours, minutes, seconds, and date. It converts both natural and artificial light into energy, with a full charge providing up to 10 months of autonomy. TAG Heuer specifies a service life of up to 15 years for the power cell. This reference is fitted on a sand-blasted stainless steel bracelet.