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Moritz Grossmann Atum Date (GPHG 2018)

Moritz Grossmann Atum Date

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~$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
Movement
Mécanique à remontage manuel Réserve de marche: 42 h, 18000 alt/h Mouvement squelette
Water resistance
30 m
Price tier
$30K–$50K

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

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Moritz Grossmann Atum Date (GPHG 2018) — Grail Atlas