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Atlantic Worldmaster Lusso Open Heart
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Launch year2015
MovementManual, Unitas G6497, open heart
Diameter44 mm
Water resistance50 m
SeriesLimited edition

Worldmaster Lusso Open Heart

The most classic and refined face of the brand's flagship collection

Model History

For several decades, the Worldmaster has been Atlantic's flagship collection: the line to which the brand entrusts its most carefully crafted commemorative editions, including those created for major anniversaries such as the company's 125th and 135th. The "Lusso Open Heart" variant, introduced in 2015, represents its most classic and formal expression, designed for an audience seeking the aesthetics and codes of traditional fine watchmaking in an accessible watch.

The model's distinctive feature is the "open heart" — an aperture on the dial that reveals part of the balance wheel and escapement mechanism in motion, a decorative element dear to classic watchmaking, here made accessible on a hand-wound calibre derived from the Unitas base, one of the most widely used and appreciated mechanical foundations in Swiss watchmaking tradition for its simplicity and reliability.

The 44 mm steel case, navy blue dial and matching leather strap come together in a sober, elegant package, produced in limited runs as is customary for the Worldmaster line's most refined executions — consistent with Atlantic's image as a brand capable of offering the aesthetic codes of fine watchmaking at a more accessible price point.

Technical Specifications

Movement
Unitas G6497, manual, open heart
Case
44 mm, 12 mm thick, steel
Crystal
Sapphire (9/10 Mohs hardness)
Dial
Navy blue, open-heart aperture
Water resistance
50 m
Strap
Leather, navy blue
Series
Limited edition
Collection
Worldmaster, the brand's flagship line

Main Executions

Worldmaster Lusso Open Heart, blue dialMain executionsince 2015
Worldmaster 1888 Lusso Open Heart, anniversary editionsReworkings for the brand's 125th and 135th anniversaries2013 and 2023
Fun Fact

The name "Worldmaster" has been part of Atlantic for so many decades that the brand reserves it almost exclusively for its most important commemorative editions: it's no surprise that this line, rather than any other, was chosen to mark both the 125th and the 135th anniversary of the company's founding.