Longines Master Collection Master Collection 42 Chronograph Calendar Stainless Steel / Black-Roman / Bracelet
Reference L2.773.4.51.6
About this watch
The Longines Master Collection L2.773.4.51.6 is a masterpiece of luxury watchmaking, blending sophistication with functionality in perfect harmony. This stunning timepiece features a 42mm stainless steel case, beautifully polished to exude a luxurious feel. The black guilloché dial is a visual treat, adorned with Roman numerals that add a classic touch. The feuille hands glide effortlessly over the dial, making it easy to read the time at a glance. With its reliable Longines caliber L687.2 movement, boasting a power reserve of up to 54 hours and a frequency of 28,800 vibrations per hour, this watch is all about precision. The chronograph feature allows for effortless measurement of elapsed time, while the full calendar functionality ensures you're always in the loop. A high-quality stainless steel bracelet completes this exceptional timepiece, offering comfort and security on your wrist.
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Key Features
- 42mm Stainless Steel Case
- Black Guilloché Dial with Roman Numerals
- Longines Caliber L687.2 Movement with 54-hour Power Reserve
- Chronograph Functionality for Elapsed Time Measurement
- Full Calendar and Moonphase Indicators
- Sapphire Crystal Glass for Optimal Clarity
- Adjustable Stainless Steel Bracelet with Deployment Clasp
Specifications
- Brand
- Longines
- Family
- Master Collection
- Model
- Master Collection 42 Chronograph Calendar Stainless Steel / Black-Roman / Bracelet
- Reference
- L2.773.4.51.6
- Movement
- l687-2
- Movement Features
-
- Hours, Minutes, Small Seconds, Additional 24 Hour Hand (fixed)
- Date, Day, Month
- Chronograph, Column wheel
- Moonphase
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS][CA-USA][H] Longines Master Collection Moonphase L2.909.4.78.3 Automatic Watch - $1699](https://external-preview.redd.it/1mXW-V4XK_TN9P99P6hLE0l3I20Hs0TJOvAvMBVvF28.jpeg?auto=webp&s=aa058e9ef68f9dde28d2c46410653e1eb89da120)
[CA-USA][H] Longines Master Collection Moonphase L2.909.4.78.3 Automatic Watch - $1699
For sale is a Longines Master Collection Moonphase, purchased in May 2025 and barely worn.
- Condition: hardly used/worn
- Band material: Brown Alligator Leather
- Diameter: 40mm diameter
- Thickness: 11.1mm thickness
![[WTS] Longines Master Collection Chronograph 27594783](https://preview.redd.it/vl9r822xxjag1.jpg?width=640&crop=smart&auto=webp&s=ad98a42f61ac91b07f1e95aeb2599e3df4964083)
Longines Master Collection Chronograph 27594783
This Longines Master Collection Chronograph features a chronograph function and is accompanied by its original box and papers.
- Condition: Very good, with minor dings and scratches
- Case size: 40mm diameter
- Water resistance: 30m
![[WTS] Longines Master Collection Big Date / Ref. L2.648.4.78.6 / Full Set](https://preview.redd.it/aawblw962bag1.jpg?width=640&crop=smart&auto=webp&s=beb86cb9e61c395ee50788caeec04cdff5348f82)
Longines Master Collection Big Date / Ref. L2.648.4.78.6 / Full Set
The Longines Master Collection Big Date is an elegant and technically refined watch featuring a stainless steel case, silver dial, and automatic movement with hours, minutes, seconds, and prominent Big Date complication.
- Condition: Near mint / like-new
- Case size: 40mm diameter
- Complications: hours, minutes, seconds, big date
![[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped](https://preview.redd.it/s82j3n4rrt8g1.jpg?width=640&crop=smart&auto=webp&s=266d0f3b60244e7a9a8d618638a65015efe82bf9)
Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped
This Longines Master Collection Chronograph features a classic white dial and chronograph function, making it both stylish and practical.
- Condition: next to new
- Bracelet size customization: custom 1.5 link for perfect sizing
- Thickness: 11.7 mm
- Bracelet thickness: custom 1.5 link (replace two links instead of one)
![[WTS] Longines Master Collection Chrono Moonphase 40MM (L2.673.4.78.6), Longines Leather Strap, Additional Straps $2,200 Shipped](https://preview.redd.it/am7y4r2vgs8g1.jpg?width=640&crop=smart&auto=webp&s=e8353e68d53e54b6c9c9d6722530ee0bc2824c88)
Longines Master Collection Chrono Moonphase 40MM (L2.673.4.78.6), Longines Leather Strap, Additional Straps $2,200 Shipped
This Longines Master Collection Chrono Moonphase features a 40MM case with moon phase and chronograph functions. It comes with box, warranty card, and multiple straps.
- Condition: Pre-owned with minor surface marks
- Case size: 40mm diameter
- Straps included: 4