Longines Master Collection Master Collection Power Reserve

Reference L2.666.4.51.6

About this watch

The Longines Master Collection Power Reserve (L2.666.4.51.6) is a masterpiece of elegance and precision. Founded in 1832, Longines has a rich heritage in watchmaking, combining traditional techniques with modern advancements. The round stainless steel case exudes durability and sophistication, while the sleek black guilloche dial catches the light beautifully. The automatic movement, based on the reliable ETA 2897, ensures precise timekeeping with a frequency of 28800 vibrations per hour. One of the standout features is the power reserve indicator, letting you know how much power is left in the watch's reserve—up to 42 hours. With its blend of classic design, reliable functionality, and reasonable pricing, this watch is perfect for everyday wear, suitable for both casual and formal occasions. Whether you're dressing up for a gala or simply heading to the office, this watch is the perfect accessory to keep you punctual and stylish.
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Key Features

  • Elegant round stainless steel case
  • Sleek black guilloche dial
  • Automatic movement with 28800 vibrations per hour
  • Power reserve indicator up to 42 hours
  • Durable water resistance of 30 meters
  • Classic Roman numeral indexes and feuille hands
  • Affordable luxury price point

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection Power Reserve
Reference
L2.666.4.51.6
Movement
l602
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Power Reserve Indicator
Case
Stainless Steel 42mm
Dial Color
Black
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