Longines Master Collection Master Collection Date 42

Reference L2.665.4.51.6

About this watch

The Longines Master Collection Date 42 (L2.665.4.51.6) is a masterpiece of watchmaking, boasting a rich heritage and exceptional build quality. This timepiece features an automatic movement, Longines caliber L691.2, which operates at 28,800 vibrations per hour, ensuring precise and smooth timekeeping. The classic round case made from stainless steel exudes elegance, while the black dial with Roman numeral indexes adds a touch of sophistication. Sapphire glass protects the watch, providing scratch resistance and clarity. With a diameter of 42.00 mm and lug width of 21.00 mm, this watch strikes a balance between presence and wearability. The stainless steel bracelet is designed for comfort, allowing for a snug yet comfortable fit on your wrist. The Master Collection Date 42 is more than just a timepiece; it's a statement of style, precision, and heritage.
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Key Features

  • Longines caliber L691.2 automatic movement
  • Stainless steel case with sapphire glass
  • Black dial with Roman numeral indexes
  • Feuille hands for elegant timekeeping
  • Date function for added functionality
  • Water resistance up to 30 meters
  • 46-hour power reserve

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection Date 42
Reference
L2.665.4.51.6
Movement
l691-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Longines Master Collection l26734786

Longines Master Collection l26734786

Longines - L2.673.4.78.6 · $2,100
A classic piece that blends timeless design with everyday wearability, perfect for both formal and casual occasions.

  • Condition: 9/10 (very well cared for)
  • Movement type: Automatic
  • Complications: Chronograph + day/date
Posted at
May 1, 2026, 11:19 AM
Active
[WTS] Longines Master Collection World Time Ref. L2.631.4.70.6 | Excellent Condition (Box, Booklet, Card) | $1550

Longines Master Collection World Time Ref. L2.631.4.70.6 | Excellent Condition (Box, Booklet, Card) | $1550

Longines - L2.631.4.70.6 · $1,550
The Longines Master Collection World Time Ref. L2.631.4.70.6 features a modern travel watch design with a stainless steel case and silver barleycorn dial. It includes a world-time city ring, 24-hour scale, and GMT/world-time complication powered by the modified ETA 2824-2 movement.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Bracelet length: up to 20cm (8 inches)
  • Movement type: Longines Calibre L635, based on the ETA 2824-2
Posted at
Apr 29, 2026, 9:19 PM
Active
[WTS] Longines Master Collection Silver Dial, $1700

Longines Master Collection Silver Dial, $1700

Longines - L2.628.4.78.6 · $1,700
The seller is listing a Longines Master Collection Silver Dial watch, and they are open to a video call pre-purchase to build trust.

  • Condition: Preowned
  • Shipping cost (usa): 100
  • Payment methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • References: 290+ verified sales on Watcexchange, Instagram (@worthytimeholdings), Google page (Worthytime Holdings), and r/tudor (search u/pacodo)
Posted at
Apr 20, 2026, 11:55 AM
Active