The Nivada Grenchen x Worn & Wound Datomaster VK64 was created as an accessible, modern counterpart to the Valjoux 72 Chronomaster, and to celebrate the Sii (Seiko Instruments Inc.) VK mecaquartz movements. The Datomaster features a 36mm x 43.5mm x 12mm case and a dual register design with a date at six for a truly classic chronograph style.

The Nivada Grenchen x Worn & Wound Datomaster VK64 features the racing-dial layout and dark palette from the V72 Chronomaster, but in two versions. Ver A sports a fog-gray surface with black sub-dials, a black chapter ring, and a mix of khaki, and deep red. The hour and minute hands are in red, while the chronograph seconds hand and sub-dial hands ar cyan. At six, the date is rendered in red on black, for a dark, stylish accent.

Ver B has the same colors, but in an “inverse” setup. The dial surface is black, while the sub-dials and chapter are in cool, fog-gray. The various indexes are in khaki, deep red, a black. The hour, minute, and sub-dial hands bring in a deep mustard tone, while the chronograph seconds is cyan, standing out above all else. Both versions come on a medium brown rally strap made from tumbled leather with a pronounced grain.

The Nivada Grenchen x Worn & Wound Datomaster VK64 Ver A and B are limited to a 72-hour order window starting December 7th, 2022, at 12PM ET and will end December 10th, 2022, at 12PM ET. All watches sold in that time frame will be produced*, and no more.

The first 50 of each color will ship by mid-January, with the remainder starting to ship in April, 2023. *Please note that due to cancellations, watches might come back into stock after the 72-hour window.