Longines Master Collection Master Collection Chronograph 40 Stainless Steel / Black - Roman / Bracelet

Reference L2.629.4.51.6

Longines Master Collection Chronograph 40 Stainless Steel / Black - Roman / Bracelet

About this watch

The Longines Master Collection Chronograph 40, specifically the model L2.629.4.51.6, is a luxurious timepiece that embodies elegance and precision. With its stunning black dial featuring a guilloche finish, this watch feels alive under different lighting conditions. The Roman numerals add an air of sophistication, making it suitable for both formal occasions and casual outings. The stainless steel bracelet is sturdy, comfortable, and polished to perfection, complementing the watch's overall aesthetic. At the heart of this watch is the Longines Caliber L651, an automatic movement that reflects the brand's commitment to quality and precision. This movement features a chronograph function with two subdials for small seconds and minute counter, making it both practical and user-friendly. The watch is protected by sapphire glass and has a water resistance of 30 meters, suitable for everyday activities but not for diving or swimming. With its date function displayed seamlessly on the dial, this watch is perfect for those who appreciate having important information right at their fingertips.
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Key Features

  • Longines Caliber L651 automatic movement
  • Stainless steel case with polished finish
  • Sapphire crystal glass for scratch resistance
  • Water resistance up to 30 meters
  • Chronograph function with two subdials
  • Date display on dial
  • Roman numeral indexes and feuille hands

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection Chronograph 40 Stainless Steel / Black - Roman / Bracelet
Reference
L2.629.4.51.6
Movement
l651
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 40mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[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 is a modern travel watch with a stainless steel case, silver barleycorn dial, and world-time city ring.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Bracelet length: up to 20cm (8 inches)
  • Movement: Longines Calibre L635 (based on ETA 2824-2 with GMT/world-time complication)
Posted at
May 10, 2026, 10:47 PM
Active
View listing on r/WatchExchange
[WTS] Longines Master Collection Moonphase L2.909.4.78 — 40mm — Full Kit — $1,699 Shipped 🔥

Longines Master Collection Moonphase L2.909.4.78 — 40mm — Full Kit — $1,699 Shipped 🔥

Longines - L2.909.4.78 · $1,699
A Longines Master Collection Moonphase watch in a 40mm case, featuring a moon phase display.

  • Condition: Good overall, with light hairlines throughout.
  • Case size: 40mm
  • Shipping options: FedEx 2-Day fully insured (+$15 overnight)
  • Shipping location: Chicago
Posted at
May 10, 2026, 7:59 PM
Active
View listing on r/WatchExchange
[WTS] LONGINES MASTER COLLECTION MOONPHASE 42mm

LONGINES MASTER COLLECTION MOONPHASE 42mm

Longines - L2.919.4.92.6
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
Active
View listing on r/WatchExchange
[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
View listing on r/WatchExchange
[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
View listing on r/WatchExchange
[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
View listing on r/WatchExchange