The 40mm tantalum case boasts clean and sharp lines. This rare metal exhibits a subtle blue-gray hue, along with excellent toughness and corrosion resistance, ensuring long-term comfort during wear. 
The gray main dial is finished with a satin-brushed texture, improving legibility in its asymmetrical layout:
-
The central hand indicates the chronograph seconds.
-
An off-center hours and minutes sub-dial is positioned at 1 o’clock.
-
The centrifugal governor is displayed at 4 o’clock.
-
A 30-minute chronograph counter sits at 6 o’clock.
-
A small seconds sub-dial is located at 9 o’clock.
-
The power reserve indicator is placed at 11 o’clock.
Powered by the in-house G-04 manual-winding movement, it operates at 21,600 vibrations per hour and offers a 53-hour power reserve. The movement is equipped with a column wheel and a horizontal clutch mechanism. The centrifugal governor module controls the reset speed of the chronograph hands, preventing potential damage to the movement during chronograph operations. The entire movement is meticulously decorated with satin-brushing, beveling, and polishing, delivering exceptional visual appeal.
Paired with a water-resistant calfskin strap, this timepiece is limited to 25 pieces and is priced at €165,000.
Grönefeld 1941 Grönograaf Chronograph Tantalum case, 40mm diameter, 11.3mm thickness, tantalum crown, sapphire crystal, gray dial, blued steel hands, G-04 manual-winding movement, 21,600 vph, 53-hour power reserve, calfskin strap, pin buckle, 30m water resistance. Complications: Chronograph
