Longines Master Collection Master Collection 40 Chronograph Calendar Stainless Steel / Black / Bracelet
Reference L2.673.4.51.6
About this watch
The Longines Master Collection 40 Chronograph Calendar is a symphony of craftsmanship and technology. This stunning timepiece beautifully blends tradition with modernity, featuring an elegant design suitable for various occasions. Its sleek black dial, adorned with guilloché patterns, creates a striking contrast against the polished stainless steel case. The watch strikes a perfect balance between boldness and wearability, making it an ideal companion for both formal and casual events. Underneath its luxurious exterior lies the powerhouse of the watch: the Longines caliber L687.2. This automatic movement boasts a column wheel and an impressive power reserve of 54 hours, allowing you to not have to wind your watch for nearly two days. The chronograph function enables precision timekeeping, while the moonphase indicator adds a dash of astrological charm. With a water resistance of 30 meters, this watch can withstand splashes and brief immersion in water, making it perfect for daily wear.
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Key Features
- Longines Caliber L687.2 Automatic Movement
- Sapphire Crystal Glass
- Stainless Steel Case with Secure Clasp
- Chronograph Function with 30-Minute Counter
- Moonphase Indicator
- 54-Hour Power Reserve
- Water Resistance up to 30 Meters
Specifications
- Brand
- Longines
- Family
- Master Collection
- Model
- Master Collection 40 Chronograph Calendar Stainless Steel / Black / Bracelet
- Reference
- L2.673.4.51.6
- Movement
- l687-2
- Movement Features
-
- Hours, Minutes, Small Seconds, Additional 24 Hour Hand (fixed)
- Date, Day, Month
- Chronograph, Column wheel
- Moonphase
- Case
- Stainless Steel 40mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings

Excellent Longines Master Collection Chronograph. L2.629.4.78.6 Steel, Bracelet, Box and Papers. April 2023. Price Reduction
This Longines Master Collection Chronograph features a silver "BarleyCorn" dial with painted Arabic numerals and blued steel hands. The watch is powered by the self-winding Longines L889 movement, which includes date, hour, minute, and continuous small seconds hands, as well as a central 60 seconds hand and 30 minutes counter at 9 o'clock.
- Condition: Excellent
- Movement: Longines L889, Self‑winding chronograph
- Case size: 40 mm diameter
- Thickness: 11.7 mm
![[WTS] Apr 2025 Longines Master Collection L2.793.4.78.6 Full Kit Mint $1,600](https://preview.redd.it/la24v2hcbg4f1.jpg?width=640&crop=smart&auto=webp&s=d3c59fea0e2f7e41e0f530708ee46116438f9683)
Apr 2025 Longines Master Collection L2.793.4.78.6 Full Kit Mint $1,600
This Longines Master Collection 40mm watch is a recent model from April 2025, sold as a full kit with box and papers.
- Condition: Excellent, mint with no significant scratches or dents
- Case diameter: 40mm
- Box and papers included: true
![[WTS] Longines Master Collection Chronograph Moonphase L2.673.4](https://preview.redd.it/w9oauux1km3f1.jpeg?auto=webp&s=1f8145b8caec4c6344287740e802cdd4f05aa386)
Longines Master Collection Chronograph Moonphase L2.673.4
This Longines Master Collection Chronograph Moonphase watch features a triple date chronograph and moon phase function.
- Link1: https://www.ebay.com/itm/297354237930
- Link2: https://imgur.com/a/longines-watch-yc4HbTO
![[WTS] Longines Master Collection. Chronograph. Automatic.](https://preview.redd.it/o20bhtf1ql3f1.jpg?width=640&crop=smart&auto=webp&s=626941b70170016bef515722e7ae5ff1e55ad8a6)
Longines Master Collection. Chronograph. Automatic.
This Longines Master Collection is a chronograph automatic watch with a 40mm diameter and blue hands, featuring a gorgeous texture dial.
- Case Size: 40mm
- Movement Type: automatic