Longines Master Collection Master Collection Power Reserve

Reference L2.666.4.78.3

About this watch

The Longines Master Collection Power Reserve is a masterclass in elegance and functionality. This stunning timepiece boasts a classic beige guilloche dial paired with feuille hands that exude traditional watchmaking charm. The automatic movement, powered by the Longines caliber L602, offers reliability and precision, with a 42-hour power reserve that ensures you stay on schedule. With a water resistance of 30 meters, this watch is perfect for everyday wear, suitable for both formal and casual occasions. The stainless steel case, with a diameter of 42 mm, provides a robust yet comfortable fit on the wrist. Whether you're dressing up or down, this timepiece will make a statement. Its timeless design, combined with dependable functionality, makes it an excellent choice for watch enthusiasts. As a piece of horological art, the Longines Master Collection Power Reserve is an investment that will last a lifetime.
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Key Features

  • 42-hour power reserve
  • 30-meter water resistance
  • Automatic movement (Longines caliber L602)
  • Beige guilloche dial with feuille hands
  • Stainless steel case (42 mm diameter)
  • Open back for visibility of movement
  • Sapphire crystal for scratch resistance

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection Power Reserve
Reference
L2.666.4.78.3
Movement
l602
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Power Reserve Indicator
Case
Stainless Steel 42mm
Dial Color
Beige
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Longines Master Collection Moonphase Chronograph 40mm L2.673.4.78.6

Longines Master Collection Moonphase Chronograph 40mm L2.673.4.78.6

Longines - L2.673.4.78.6 · $1,800
This Longines Master Collection Moonphase Chronograph features a 40mm case, column wheel chronograph, 12-hour chronograph, moonphase display, and triple calendar (date, day, month). The watch is in working condition and keeps good time.

  • Condition: Pre-owned with wear and use, some scratches and scuffs
  • Case size: 40mm diameter
  • Bracelet links: 3 extra links provided
  • Box condition: slightly damaged box with one flap falling off
Posted at
Mar 9, 2026, 5:54 PM
Active
[WTS] Longines Master Collection Chronograph Moonphase L2.673.4.61.2 – $2,850 shipped

Longines Master Collection Chronograph Moonphase L2.673.4.61.2 – $2,850 shipped

Longines - L2.673.4.61.2 · $2,850
Longines Master Collection Chronograph Moonphase watch is being sold in excellent overall condition with light wear, featuring a flawless crystal and dial.

  • Condition: Excellent overall condition, lightly worn with very minor signs of wear consistent with careful use
  • Case marks: faint and visible only on close inspection
  • Leather strap condition: very good condition, minimal to no visible wear due to the deployment clasp design
Posted at
Mar 8, 2026, 3:22 PM
Active
[WTS] Longines Master Collection 190th Anniversary L2.793.4.73.2 Full Set $1700

Longines Master Collection 190th Anniversary L2.793.4.73.2 Full Set $1700

Longines - L2.793.4.73.2 · $1,700
This is a Longines Master Collection 190th Anniversary Edition Watch with a 40mm dial that looks great on the leather bracelet.

  • Condition: Like New
  • Case size: 40mm
  • Bracelet type: Longines leather
  • Clasp type: deployment
Posted at
Mar 6, 2026, 10:14 AM
Active