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

[WTS] Longines Master Collection L2.640.4

Longines Master Collection L2.640.4

Longines - L2.640.4 · $999
A bold and elegant Longines from the Master Collection, offering classic styling paired with a substantial 48mm presence.

  • Condition: Good overall condition with light signs of wear
  • Case Size: 48mm diameter
  • Movement Type: Manual-wind mechanical
  • Dial Color: Classic silver tone
Posted at
Oct 21, 2025, 2:32 PM
Active
[WTS] Longines Master Collection salmon dial in excellent condition

Longines Master Collection salmon dial in excellent condition

Longines - L2.843.4.93.2 · $1,700
The Longines Master Collection Small Seconds features a stunning salmon dial, perfect for dress wear with its vintage charm.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Thickness: 10.2mm
  • Lug width: 20mm
Posted at
Oct 16, 2025, 5:24 PM
Active