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Close-up of a Longines watch caseback with branding and certification details.
Man wearing a black shirt with a watch on his wrist, sitting in a chair.
Hand wearing a black wristwatch with a white background
A LONGINES ULTRA-CHRON watch with a stainless steel band and case, featuring a black dial and red and white accents.
Man wearing a watch with a brown sweater
Person with outstretched arms by a body of water, wearing a red top and a watch.
Woman in a red dress with a dark, textured background

LONGINES

Longines Ultra-Chron L2.836.4.52.6 Automatic Watch | 43mm High-Frequency Swiss Diver

$3,700.00

The Longines Ultra-Chron L2.836.4.52.6 is a modern recreation of one of the brand's most groundbreaking dive watches. Crafted in stainless steel, this Swiss-made timepiece features a 43mm case, black dial, sapphire crystal, and Longines' exclusive high-frequency automatic movement operating at 36,000 vibrations per hour. Combining professional dive watch performance with heritage-inspired design, the Ultra-Chron delivers exceptional accuracy, durability, and timeless style for collectors and enthusiasts alike.

Product Details

  • Brand: Longines
  • Collection: Ultra-Chron
  • Reference Number: L2.836.4.52.6
  • Movement: Automatic Mechanical Movement
  • Caliber: Longines L836.6
  • Frequency: 36,000 Vibrations Per Hour (5 Hz)
  • Power Reserve: Up to 52 Hours
  • Certification: Ultra Chronometer Certified
  • Case Material: Stainless Steel
  • Case Diameter: 43mm
  • Case Thickness: 13.6mm
  • Crystal: Scratch-Resistant Sapphire Crystal
  • Dial Color: Black
  • Bezel: Unidirectional Rotating Sapphire Insert Bezel
  • Water Resistance: 300 Meters / 30 Bar
  • Functions: Hours, Minutes, Seconds, Date
  • Bracelet Material: Stainless Steel
  • Clasp: Folding Safety Clasp with Diving Extension
  • Origin: Swiss Made

Availability & Partner Promise

This Longines timepiece is available In-Store and ready to ship.

  • Authentic Longines Watch
  • Swiss Automatic Movement
  • Ultra Chronometer Certified
  • Stainless Steel Bracelet
  • In-Store Pickup Available
  • Nationwide Insured Shipping
  • Manufacturer Warranty Included
Item is in stock Hurry! Low inventory Item is out of stock Item is unavailable

All diamonds are ethically sourced and guaranteed to be 100% natural and conflict-free.


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Longines Ultra-Chron L2.836.4.52.6 Automatic Watch | 43mm High-Frequency Swiss Diver

$3,700.00 USD

GO HERE and nowhere else for all your jewelry needs. Wow, I was so impressed by my experience. The owner handled my diamonds with care and he treated me like family. I honestly will never go anywhere else if I need jewelry. I can honestly say the customer service is very personal, intimate, and worth it. I would highly recommend this. Thank you for helping me sell my grandmother's antique diamonds. I feel they are in good hands.

Michelle Wiley
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My fiancé, and I love Jewelry Couture. Joseph, Brianna and the house lady were very kind to us from the moment that we walked in to the moment that walked out and we were treated with world-class service. We went to them because they had my favorite brand Verragio, but now they are our family jeweler from this point forward and we are blessed to have Jewelry Couture as a part of our memories and life.

Michelle B.
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I cannot give Jewelry Couture enough praise. Their inventory is beautiful and extensive. Everyone we interacted with was extremely friendly, helpful, knowledgeable, and courteous. They definitely went above and beyond to make sure we were happy with a custom design. Go here for an ideal experience with a business operating with true integrity.

Michelle Sakoda
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