In 10 minutes the Nivada Grenchen x Worn & Wound Chronomaster Valjoux 72 will go on sale (12pm ET, December 8th, 2022) at the Windup Watch Shop. Limited to 20 units, these watches feature old stock, restored, and serviced Valjoux 72 manual wound chronograph calibers. Having ceased production in 1974, this is a rare opportunity to own a new watch with this legendary caliber. Follow this link to the product page for your chance to own the Chronomaster Valjoux 72. First come, first served. Limit one per customer. $6,900, click here 

If you missed out on the Chronomaster Valjoux 72 or are looking for something more accessible, fret not, the Nivada Grenchen x Worn & Wound Datomaster VK64 is still available. On sale for 72 hours only (12.7.22 12pm ET to 12.10.22 12pm ET) the Datomaster VK64 is available in two versions, both based on the Chronomaster Valjoux 72 design above. Featuring the Seiko VK64 mecaquartz caliber, a legend in the making, they offer the accuracy and affordability of quartz with the feel and function of a mechanical chronograph. $450, click here