Longines Master Collection Master Collection Power Reserve
Reference L2.666.6.78.5
About this watch
The Longines Master Collection Power Reserve is a magnificent blend of elegance, functionality, and timeless design. This luxury timepiece tells time with precision, looks stunning on the wrist, and offers a glimpse into the artistry of Swiss watchmaking. Crafted from yellow gold and featuring a beige guilloche dial, this 42 mm round case watch exudes sophistication and charm. The Longines caliber L602 automatic movement, based on the renowned ETA 2897, boasts a power reserve of 42 hours and 21 jewels for smooth operation. With sapphire glass and a water resistance rating of 30 meters, this watch is suitable for everyday wear. Whether you're at the office or out for a casual evening, this watch feels just right. It's an investment that's sure to pay off in style and performance, perfect for collectors, professionals, or anyone looking to elevate their style.
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Key Features
- Yellow gold casing
- 42 mm round case
- Beige guilloche dial
- Sapphire glass
- Automatic movement (Longines caliber L602)
- Power reserve of 42 hours
- 21 jewels for smooth operation
- Water resistance rating of 30 meters
Specifications
- Brand
- Longines
- Family
- Master Collection
- Model
- Master Collection Power Reserve
- Reference
- L2.666.6.78.5
- Movement
- l602
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Power Reserve Indicator
- Case
- Yellow Gold 42mm
- Dial Color
- Beige
- 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