Longines Master Collection Master Collection 40mm Annual Calendar Stainless Steel / Black-Roman / Bracelet

Reference L2.910.4.51.6

About this watch

The Longines Master Collection L2.910.4.51.6 exudes elegance and sophistication with its striking black dial, adorned with Roman numeral indexes. The classic design seamlessly combines functionality and style, making it a versatile watch suitable for both casual wearers and watch enthusiasts. The stainless steel case is robust and polished, featuring a secure clasp that guarantees a snug fit. The open case back reveals the intricate movement of the Longines caliber L897.2, an automatic mechanism based on the renowned ETA A31.L81. This self-winding movement eliminates the need for battery replacements, a feature that watch enthusiasts adore. The annual calendar function displays the date, month, and provides a practical way to keep track of your schedule. With a 64-hour power reserve and 21 jewels, this timepiece is precise and reliable. Its water resistance of 30 meters makes it perfect for everyday activities. This watch is not just a timekeeper; it's a statement piece that tells more than just time – it tells a story.
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Key Features

  • 40mm stainless steel case
  • Automatic Longines caliber L897.2 movement
  • Annual calendar function
  • 64-hour power reserve
  • 21 jewels
  • 30m water resistance
  • Sapphire crystal glass

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 40mm Annual Calendar Stainless Steel / Black-Roman / Bracelet
Reference
L2.910.4.51.6
Movement
l897-2
Movement Features
  • Hours, Minutes, Seconds
  • Date, Annual Calendar, Month
Case
Stainless Steel 40mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] LONGINES MASTER COLLECTION MOONPHASE 42mm

LONGINES MASTER COLLECTION MOONPHASE 42mm

A Longines Master Collection Moonphase watch with a 42mm diameter and moon phase functionality.

  • Condition: New
  • Case Size: 42mm diameter
  • Box And Papers: true
Posted at
May 9, 2026, 4:10 PM
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[WTS] 2022 Longines Master Collection L26734920 Moonphase Blue dial - Box + Papers

2022 Longines Master Collection L26734920 Moonphase Blue dial - Box + Papers

Longines - L26734920 · $2,890
The Longines Master Collection is an elegant and highly regarded automatic wristwatch that blends classic watchmaking with refined complications. It features a blue dial with a full calendar display, moonphase display, and running seconds.

  • Condition: attractive condition with honest signs of previous wear
  • Case size: 42mm diameter
  • Movement type: automatic
Posted at
May 8, 2026, 2:46 PM
Active
[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