Longines Master Collection Master Collection 40 Moonphase Stainless Steel / Black-Roman / Bracelet
Reference L2.909.4.51.6
About this watch
The Longines Master Collection 40 Moonphase, model L2.909.4.51.6, is a masterpiece of luxury watchmaking. This elegant timepiece boasts a classic design with a black guilloché dial adorned with Roman numerals, exuding timeless appeal. The round stainless steel case (40mm diameter) and sleek design make it versatile for various occasions. At its heart beats the self-winding Longines caliber L899.2 movement, featuring a moon phase indicator and date function. This automatic movement is based on the reliable ETA A31.L91, with a frequency of 25,200 vibrations per hour and a power reserve of 64 hours. The watch's durability is ensured by its stainless steel case, resistant to corrosion and scratching. Protected by sapphire crystal, the stunning guilloché dial remains vibrant and clear. The comfortable stainless steel bracelet features a deployment clasp, adding an extra layer of sophistication. With a water resistance rating of 30 meters, this watch is suitable for light splashes but not designed for aquatic adventures. The Longines Master Collection 40 Moonphase is an investment in style and craftsmanship, available at authorized retailers or luxury boutiques.
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Key Features
- Black guilloché dial with Roman numerals
- Self-winding Longines caliber L899.2 movement
- Moon phase indicator and date function
- Stainless steel case (40mm diameter)
- Sapphire crystal protection
- Comfortable stainless steel bracelet with deployment clasp
- 30 meters water resistance
Specifications
- Brand
- Longines
- Family
- Master Collection
- Model
- Master Collection 40 Moonphase Stainless Steel / Black-Roman / Bracelet
- Reference
- L2.909.4.51.6
- Movement
- l899-2
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Moonphase
- Case
- Stainless Steel 40mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
Longines master collection brushed salmon dial / small sec / 38.5mm / extra OEM strap /
This Longines Master Collection Automatic watch features a salmon dial and is in the perfect size of 38.5 mm, making it a personal favorite of the seller.
- Condition: great
- Case diameter: 38.5mm
- Dial color: salmon
- Straps: [object Object],[object Object],[object Object]
![[wts] Longines master collection brushed salmon dial / small seconds/ xtra OEM strap](https://external-preview.redd.it/1Tx5dxh5dT2PHorabREcPsKNu1jnYoYO0DsqCj-7IcE.jpeg?auto=webp&s=31c706aa83189ffa0d73721abdccec50c42ad85f)
Longines master collection brushed salmon dial / small seconds/ xtra OEM strap
This Longines Master Collection watch features a 38.5mm brushed case, a salmon dial, and small seconds function.
- Condition: Great condition
- Size: 38.5mm diameter
- Straps: 2 x Longines OEM straps (Dark Blue croc w deployment clasp and brown croc w buckle) + 1 x blue/grey suede leather aftermarket strap
![[WTS] Longines Master Collection Chronograph L2.629.4.78.6 40MM](https://external-preview.redd.it/bfrXp86flmA-1dcH2FzWGIqZTjdNHwklobEiOC5Om4I.jpeg?auto=webp&s=30aff3b93b3fbede126752e11717a1f8aa4cd3ed)
Longines Master Collection Chronograph L2.629.4.78.6 40MM
A Longines Master Collection Chronograph, a timepiece from the Master Collection series with chronograph functionality. It comes with all links and its original box, excluding the cardboard outer packaging.
- Condition: Pre-owned with minor rash marks
- Case Size: 40mm diameter
- Box Contents: all links and box (cardboard outer box not included)
- Shipping Details: CONUS shipping from military address via USPS

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