Men's 40.5mm Automatic Moon Phase Watch: 11mm Slim | Open-Heart
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A Masterpiece of Mechanical Elegance
"40.5mm Dress Profile. Moon Phase Indicator. Automatic Power."
New Arrival Special
Get 10% OFF Your First Order
Command the Boardroom
Discover the perfect blend of tradition and style. The Men's Moon Phase Automatic complicates the simple act of telling time by turning it into a wearable art form. The "Open Heart" window offers a captivating glimpse into the complex engine inside, while the celestial Moon Phase indicator adds a touch of romance and history to the dial. Finished with refined Roman Numerals and sword-style hands, it delivers a commanding presence whether paired with a sharp tuxedo or daily business attire.
Forensic Specifications
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Day/Night Moon Phase:
Features a fully functional Sun/Moon disc at 6 o'clock and a 24-hour sub-dial at 3 o'clock, keeping you in sync with the celestial cycle. -
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Open Heart "Tourbillon" Style:
A visible window at 9 o'clock exposes the rapidly beating mechanical balance wheel, adding dynamic movement and technical beauty. -
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Automatic Self-Winding:
Powered entirely by the natural motion of your wrist. The internal exhibition rotor winds the mainspring, requiring zero batteries. -
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40.5mm x 11mm Dress Profile:
Engineered with a refined 40.5mm diameter and a sleek 11mm thickness, making it the absolute perfect size to slide under a dress shirt cuff.
Select Your Elegance
| Collection Variant | Executive Identity |
|---|---|
| 🟡 Full Gold Steel Edition | The ultimate status symbol. Features a gold case, dial, and stainless steel link bracelet for maximum, unapologetic presence. |
| 🟤 Brown Leather Series | Classic vintage elegance. Available with striking Gold or crisp White dials paired with rich brown genuine leather straps. |
| ⚫ Black Leather Series | Understated sophistication. Features Silver or Gold cases paired with deep black dials and straps for sharp evening wear. |
*Swipe left on mobile to view all 6 distinct aesthetic profiles.
Technical Specifications
Frequently Asked Questions
Q: Will this fit comfortably under a suit jacket?
A: Absolutely. It is designed with the perfect formal dress watch proportions: a refined 40.5mm diameter and a sleek 11mm thickness. It will slide seamlessly under tailored cuffs without snagging.
Q: What exactly does the Moon Phase dial do?
A: The sub-dial at 6 o'clock is a fully functional Day/Night indicator. The beautifully detailed Sun/Moon disc rotates dynamically to track the time of day and the celestial cycle.
Q: Do I need to wind it daily?
A: As long as you wear it, the automatic self-winding movement will power the watch via your wrist's natural kinetic motion. If left unworn for 24+ hours, simply wind the crown 20-30 times to restart the power reserve.
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