Photos appear once Atlantic approves image use
Last checked Oct 26, 2026
Movement: Automatic, COSC Chronometer Certified, Sellita SW 200-1/COSC
Dial: Black Color, Date Display, Hand Applied Indexes, Luminous Hands, Luminous Indexes at 12h, 3h, 6h, 9h, Red Tip On Second Hand
Bracelet Style: Butterfly Clasp, Genuine Calf Leather Strap
View on Atlantic’s site ↗From Atlantic
COSC Chronometer Certified by the Official Swiss Chronometer Testing Institute Experience unparalleled accuracy with the Atlantic Worldmaster COSC Collection, certified by the Official Swiss Chronometer Testing Institute. Each piece in this series combines exquisite craftsmanship and high-quality materials in a timeless design. Available in three elegant colors, these watches offer a luxurious addition to your style, ensuring precision and sophistication on your wrist. Atlantic Worldmaster COSC Collection: Timeless Elegance, Certified Precision Unmatched Precision and Quality Discover the epitome of timekeeping excellence with the Atlantic Worldmaster COSC Collection. Each watch is meticulously certified by the Official Swiss Chronometer Testing Institute, a testament to its unmatched precision and reliability. Crafted using only the finest materials, these timepieces are designed to offer both durability and a luxurious aesthetic. Whether for daily wear or special occasions, the Worldmaster COSC Collection ensures accuracy at the highest level, making every second count. Elegant Design and Versatile Style The Atlantic Worldmaster COSC Collection stands out with its timeless design, available in three elegant colors to complement any wardrobe. From the sleek, professional look to a more casual style, these watches adapt seamlessly. The careful craftsmanship is evident in every detail, from the polished finish to the comfortable fit on your wrist. This collection is not just a purchase but an investment in a piece of art that offers both function and fashion, making it a perfect accessory for those who appreciate luxury and performance.
Specifications
Details and photos come from Atlantic’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
Case
- Diameter
- 42 mm
- Lug-to-lug
- Not listed
- Thickness
- 10.3 mm
- Thickness incl. crystal
- Not listed
- Lug width
- Not listed
- Material
- 316L steel
Movement
- Type
- Automatic
- Caliber
- Sellita SW200-1
- Power reserve
- Not listed
- Functions
- Not listed
Crystal and bezel
- Crystal
- Sapphire
- Bezel
- Not listed
Water resistance
- Rated to
- 50 m
Dial and lume
- Dial
- black
- Lume
- Not listed
Strap
- Strap
- leather
Every spec Atlantic lists
- Atlantic Worldmaster COSC Collection
- Timeless Elegance, Certified Precision
- Movement
- Automatic, COSC Chronometer Certified, Sellita SW 200-1/COSC
- Case Material
- Stainless Steel
- Case Diameter
- 42mm
- Case Thickness
- 10.3mm
- Dial
- Black Color, Date Display, Hand Applied Indexes, Luminous Hands, Luminous Indexes at 12h, 3h, 6h, 9h, Red Tip On Second Hand
- Crystal
- Sapphire Crystal
- Bracelet Style
- Butterfly Clasp, Genuine Calf Leather Strap
- Water Resistance
- 50 meters | 5 bar
- Reference
- 52781.41.61
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