OLEVS 9912 – Men's Moon Phase Open Heart Automatic Mechanical Watch Leather Strap

Timeless Sophistication: The Celestial Open-Heart Statement

True gentlemanly elegance is found in the perfect convergence of classical horology and dynamic mechanical transparency. The OLEVS 9912 is meticulously tailored for the discerning executive who views a timepiece as a symbol of sophisticated personal legacy. Built around a polished 41mm stainless steel case, this watch features an engaging Sun and Moon celestial window at 12 o'clock that gracefully tracks the transition of day and night. Balanced by a mesmerizing open-heart exhibition window at 6 o'clock and matched with a supple, breathable leather strap, it commands quiet authority whether worn in executive boardroom negotiations or during weekend evenings of leisure.

Harmonious Grand Complication & Lightweight Ergonomic Comfort

Beneath its architecturally refined, multi-functional exterior operates a reliable self-winding mechanical caliber, engineered to drive complex dial complications with daily accuracy and enduring self-winding reliability:

• Original Automatic Movement: Powered entirely by your natural kinetic wrist motion. This self-winding mechanical engine eliminates the reliance on battery replacements while delivering an authentic, continuous heartbeat visible through both the front open-heart window and the rear exhibition caseback.
• Dynamic Sun & Moon Phase Complication: An elegant celestial indicator situated at 12 o'clock dynamically rotates across a 24-hour cycle, showcasing a radiant sun during the day and a starry moon graphic at night.
• Exhibition Open-Heart Flywheel: Located at the 6 o'clock position, a finely finished skeleton window reveals the rhythmic oscillation of the internal balance wheel and ruby bearings, providing an uninterrupted visual connection to the mechanical core.
• Comprehensive Multifunction Sub-Dials: Perfectly balanced sub-dials track the day of the week and numerical date, keeping your dynamic personal and professional schedule organized at a single glance.
• Ergonomic Lightweight Leather Strap: Crafted from premium, breathable genuine leather that softens and molds to your wrist over time. Designed for maximum wearing comfort, the entire timepiece weighs an ergonomic 75g, completely preventing wrist fatigue during extended daily wear.

Frequently Asked Questions (FAQ)

How does the Sun and Moon celestial window function on the OLEVS 9912?

The integrated celestial indicator on the dial operates as a synchronized 24-hour day/night display. As the mechanical hands rotate through the day, the window dynamically transitions to reveal a radiant sun during daytime hours and a star-filled moon graphic at night, allowing you to effortlessly distinguish AM and PM times at a glance.

Does this open-heart automatic watch require battery replacements?

No batteries are ever required. The OLEVS 9912 is driven by an original self-winding automatic mechanical movement. It harnesses kinetic energy from the natural daily movement of your arm. Wearing the timepiece regularly keeps the internal mainspring continuously wound, ensuring reliable, uninterrupted precision across all internal calendar and timekeeping modules.

Is the 75g lightweight leather watch comfortable and safe for water exposure?

Yes. Weighing just 75 grams with an articulated 20mm genuine leather strap, the watch offers exceptional lightweight ergonomic comfort. It is officially tested and certified for 30M (3 ATM) water resistance, providing dependable daily defense against routine splashes, accidental rain, and hand washing. To preserve the supple texture and longevity of the leather strap, avoid swimming or submersion in water.

Technical Specifications