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There are timepieces that simply track the hours, and then there are mechanical masterpieces that define the man wearing them. The OLEVS 6620 is crafted for the visionary who appreciates the intricate dance of time. Featuring an utterly captivating open-heart skeleton window and an elegant diurnal moon phase display, this watch transforms every glance into a moment of awe. Adorned with classic Roman numerals and subtle diamond-like accents, it projects an aura of sophisticated luxury that commands respect in any boardroom or evening gala.












This is a substantial timepiece designed to be felt. Weighing a formidable 144g, the robust 43mm case houses a fully functional, original mechanical movement that harnesses your natural kinetic energy. The meticulously crafted multi-function dial is shielded by a high-hardness coated mirror, ensuring enduring clarity and scratch resistance. Anchored securely by a solid steel bracelet and illuminated by high-definition luminous hands for low-light visibility, the OLEVS 6620 is built for uncompromising daily performance.
Yes, powered seamlessly by the mechanical core. The intricate open-heart skeleton design reveals the actual, pulsating balance wheel of the original mechanical movement. As the gears turn, they simultaneously drive the dynamic moon phase and day-night indicator, requiring no batteries and offering a truly authentic horological experience.
Substantially engineered for maximum durability. With a solid weight of 144g and a case thickness of 13mm, this watch delivers a heavy, premium feel. The high-hardness coated mirror provides superior resistance to daily impacts and scratches, while the full steel bracelet ensures long-lasting structural integrity under frequent use.
Yes, it features a reliable 30-meter waterproof rating. Built to the 30M (3 ATM) standard, the mechanical core is safely sealed against everyday water exposure, including accidental splashes, brief rain showers, and hand washing. To preserve the precision of the mechanical movement, it should not be worn while swimming or showering.
| Model Number | 6620 |
| Movement | Original Mechanical Movement |
| Glass Material | High Hardness Coated Mirror |
| Band Material | Steel Bracelet |
| Case Diameter | 43mm (plus projections, no adjustable handle) |
| Case Thickness | 13mm (without mirror) |
| Bracelet Width | 20mm |
| Bracelet Length | 20cm |
| Waterproofing | 30 Metres Waterproof (3 ATM) |
| Weight | 144g |
| Warranty Period | 12 Months |
| Coverage | All our watches include a 12-month warranty that covers any defects in materials or craftsmanship—so you can purchase with complete confidence. |
| Return Policy | 30-Day Money-Back Guarantee |
| Our Promise | If you’re not completely satisfied with your watch, you can return it within 30 days for a full refund. It’s our way of making sure you can shop with confidence. |
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