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Omega Aqua Terra 150M Annual Calendar Review

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The Omega Seamaster Aqua Terra Annual Calendar represents Omega’s watchmaking sophistication applied to a practical complication. The annual calendar requires only one manual correction per year (at the end of February), making it among the most user-friendly calendar complications available.

What Is an Annual Calendar?

A calendar mechanism that automatically corrects for months with 30 and 31 days, requiring only one manual correction — from February 28/29 to March 1. The perpetual calendar requires no corrections but is significantly more expensive and complex; the annual calendar strikes the perfect practical balance.

Specifications

41.5mm stainless steel case, Co-Axial Master Chronometer Calibre 8922 (annual calendar + moon phase), 150m water resistance, sapphire crystal with anti-reflective coating. The dial features the Aqua Terra’s characteristic ‘teak’ vertical lines and clean calendar display.

Value Consideration

At approximately $8,000-$12,000, the Aqua Terra Annual Calendar competes with Patek Philippe and Vacheron Constantin annual calendar models priced at $30,000-$50,000+. The practical value delivered — annual calendar accuracy, METAS certification, Co-Axial movement — at this price point is extraordinary.

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