Moritz Grossmann Atum Date

~$49,483 · 1 CHF = 1.234 USD (2026-07-22)

Year

2018

Category

Homme

Reference

MG-001477

Case

ø 41 mm · Or blanc

Material

Gold

Dial

Champagne/Gold-tone

Movement

Mécanique à remontage manuel Réserve de marche: 42 h, 18000 alt/h Mouvement squelette

Water resistance

30 m

Price tier

$30K–$50K

Country

🇩🇪 Germany

Atum Date The date change on the Atum Date works thanks to a complex system made up of a control wheel, a trigger lever, a star wheel, and a date ring with a hand. The control wheel for the date consists of a wheel, a change finger spring, and the change finger. The latter is mounted on the wheel so that it can rotate freely while being held by the annular spring in a position that allows it to move on both sides and thus always tension the spring. The hour wheel drives the mechanism in a 2:1 ratio so that the control wheel can rotate counterclockwise once during the

More photos and full details on the official GPHG page.