Longines Ultra-Chron Box Edition Watch L28364528

L28364528

$3,774.00
/
Shipping calculated at checkout.
  • Low stock - 1 item left
  • Order before October 25th to receive your piece in 2025. 🎁 Please allow up to 6 weeks for manufacturing before shipping. If you have an urgent request, contact us to see how we can help.

Inspired by the original Longines Ultra-Chron Diver of 1968, the new model and its new high-frequency caliber represent the first reinterpretation of what sets Longines apart – its status as a pioneer in the world of sports timing.

It will appeal to both vintage watch aficionados and lovers of high technology. Featuring a leather strap, this model is delivered in a special presentation box containing a black NATO strap crafted from recycled material.

Case

SHAPE Round
GLASS Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
CASE BACK Screw-down case back
DIMENSION Ø 43.00 mm
LUG DISTANCE 22 mm
THICKNESS 13.60 mm
WATER RESISTANCE Water-resistant to 30 bar
CASE SPECIFICITIES Screw-in crown, Unidirectional rotating bezel
WEIGHT 121.7 g

Dial and Hands

DIAL COLOUR Black
HOUR MARKERS Applied indexes
HANDS Silvered polished hands
SPECIFICITIES Swiss Super-LumiNova®

Movement and Functions

5 Year Warranty
MOVEMENT TYPE Automatic
CALIBER L836
MOVEMENT DESCRIPTION Self winding mechanical movement beating at 36,000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve of approximately 52 hours
FUNCTIONS Hours, minutes, seconds
LONGINES EXCLUSIVE CALIBER Yes

Strap

FACE Young cow leather
BACK Calf leather
COLOUR Brown

If the product is in stock, it will ship quickly. If the product needs to be custom-made, the lead time can be up to 6 weeks before shipping. You can contact us to explore the possibilities.

Regional and National | Canada

  • Standard | 3-9 days | $11.99
     (free from $99 purchase)
  • Expedited | 3-7 days | $15.99
  • Priority | 1-3 days | $29.99

United States | USA

  • Standard USA | 6-14 days | $19.99 USD (free on orders over $99 USD)
  • Expedited USA | 4-8 days | 39.99S ​​USD

France

  • Standard FRANCE | 10-20 days | $19.99 EUR (free for orders over $99 EUR)

Rest of the World | International

  • Canada Post Tracked Packet International | 7-15 Days | Rates calculated at checkout
  • Canada Post Xpresspost International | 6-12 Days | Rates calculated at checkout

If for any reason you are not 100% satisfied with your purchase within 14 days of receipt, you may request to return any merchandise for an exchange or store credit (less shipping and handling). Only one product per order may be returned, and only for store credit or exchange. This policy is enforced to prevent abuse. See our full return policy for details.


Rings

Option 1
1- Take a paper tape
2- Wrap the tape around your finger, loosely, and mark the tape with a pencil where it overlaps on itself.
3- Measure the size of the ribbon up to your mark (in mm)
4- Refer to the correspondence table here

Option 2
1- You get a plastic ring sizer here

Necklaces & chains

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  • Environmentally friendly packaging
  • Free shipping, carbon neutral, from $99 purchase

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FAQ

If the product is in stock, it is shipped quickly. If the product
must be designed, the lead time can be about 8 weeks. You can
contact us to explore the possibilities.

Yes, we offer customization options for many pieces of jewelry. To get started on your Custom Design project, visit this link .

To maintain the shine of your jewelry, we recommend cleaning it regularly with a soft cloth and storing it in a dry place when not worn. For pearl or stone jewelry, it is advisable to validate with the jeweler in charge of your project before designing, as some stones and inserts do not like water.

If for any reason you are not 100% satisfied with your purchase within 14 days of receipt, you may request to return any merchandise for an exchange or store credit (less shipping and handling). Only one product per order may be returned, and only for store credit or exchange. This policy is enforced to prevent abuse. See our full return policy for more details.

Prices displayed on our site do not include taxes. Tax will be added at checkout based on your location.

We use high quality materials such as gold, silver, precious and semi-precious stones. For each product, details about the materials are provided in the description.

Yes, you will receive a tracking number via email once your order has been shipped. You can use this number to track the status of your delivery online.

You can contact us by email at info@mathieublanchard.ca or by phone at (450) 531-7061, as well as via social networks. We are available to help you from Monday to Wednesday: 10 a.m. to 5 p.m., Thursday: 10 a.m. to 7 p.m., and Friday: 10 a.m. to 5 p.m.

Yes, it is possible to contact us to confirm the availability of this option.

Yes, we offer a resizing service for your rings. Please contact us to arrange an appointment.

Absolutely, we offer gold in several purities: 10, 14, and 18 carats. You can select the purity that suits your preferences and budget. If this option is not available online, please feel free to contact us.

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