Longines Master Collection Master Collection Worldtime Black

Reference L2.631.4.51.5

Longines Master Collection Worldtime Black

About this watch

The Longines Master Collection L2.631.4.51.5 is a masterclass in elegance and sophistication, with its sleek black dial and elegant Roman numeral indexes commanding attention while maintaining an air of refinement. The round stainless steel case strikes a balance between bold and understated, measuring 39mm in diameter and featuring a lug width of 20mm for comfortable wear. Protected by sapphire crystal, the dial is highly resistant to scratches, making it suitable for everyday wear. One of the standout features of this watch is its world time functionality, allowing you to keep track of time in different parts of the globe with ease. Powered by the Longines caliber L635 movement, a sophisticated automatic mechanism that ensures accurate timekeeping and a power reserve of 38 hours. This watch is not just an accessory, but a statement piece that embodies the brand's rich heritage and commitment to craftsmanship.

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Key Features

Longines caliber L635 automatic movement
Sapphire crystal for scratch resistance
30 meters water resistance
Black dial with Roman numeral indexes
39mm round stainless steel case
20mm lug width for comfortable wear
World time functionality

Specifications

Brand

Longines

Family

Master Collection

Model

Master Collection Worldtime Black

Reference

L2.631.4.51.5

Movement

l635

Movement Features

Hours, Minutes, Seconds, World Time
Date

Case

Stainless Steel 39mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

Longines Master Collection Mens Automatic Watch - L2.628.5 - 38mm - USED

Longines - L2.628.5 · $999

The Longines Master Collection is a high-end watch featuring an automatic movement, suitable for formal occasions.

Condition: USED

Posted at

Feb 17, 2026, 9:58 PM

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Longines Avigation w/ Master collection bracelet and OEM leather (Lowest price in the world)

Longines - L2.629.4 · $1,200

A Longines Avigation Chronograph with a 40mm black dial, running strong and keeping great time.

Condition: Lightly used
Bracelet type: Master collection steel bracelet
Strap type: OEM leather strap
Wrist size compatibility: up to an 8+ inch wrist

Posted at

Feb 15, 2026, 12:59 PM

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Longines Master Collection Moonphase 42mm – 2023-2024 movement L899.5 $1500

Longines - L2.919.4.78.3 · $1,500

A Longines Master Collection Moonphase watch in excellent condition, featuring a 42mm stainless steel case, silver barleycorn dial, and automatic L899.5 movement.

Condition: Excellent condition
Case size: 42mm diameter
Movement caliber: L899.5
Power reserve: ~72-hour power reserve

Posted at

Feb 11, 2026, 1:31 PM

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

Longines - L2.673.4.61.2 · $2,850

This Longines Master Collection Chronograph Moonphase features a chronograph function and moon phase display. The watch is in excellent condition with very minor signs of wear.

Condition: Excellent overall condition, lightly worn
Case wear: very minor signs
Crystal condition: flawless
Dial condition: flawless

Posted at

Feb 8, 2026, 1:09 PM

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Longines Master Collection Moonphase Chronograph L2.673.4.78.3

Longines - L2.673.4.78.3 · $2,050

This Longines Master Collection Moonphase Chronograph features an array of complications, a 40mm size, automatic movement, and original strap.

Condition: fair to good pre-owned condition
Size: 40mm diameter
Movement: Automatic movement

Posted at

Feb 8, 2026, 10:03 AM

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Longines Avigation automatic Chronograph with OEM leather and Master Collection steel bracelet(price reduction)

Longines - L2.629.4 · $1,250

The Longines Avigation automatic Chronograph features a 40mm black dial with date functionality and chronograph capabilities. It comes with an OEM leather strap and a master collection steel bracelet, making it suitable for both formal and sporty occasions.

Condition: Lightly used
Bracelet price: $400 (Master Collection steel)
Shipping: FedEx 'hold at location'
Accepted payment methods: Zelle, cash app, PayPal F&F and G&S(+4.5%)

Posted at

Feb 6, 2026, 8:02 PM

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Longines Master Collection Moon Phase Chronograph (40mm) reference L2.673.4.78.6

Longines - L2.673.4.78.6 · $2,250

A beautiful Longines Master Collection Moon Phase Chronograph with a 40mm case, featuring hours, minutes, small seconds, date, and chronograph functions.

Condition: Excellent used condition
Case size: 40mm diameter
Thickness: 14.3mm
Power reserve: 66 hour

Posted at

Feb 6, 2026, 12:28 PM

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[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped

Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped

Longines - L2.629.4.78.6 · $1,500

This is an automatic chronograph watch with a classic white dial and a chronograph function, packaged in its original box with papers included.

Condition: Next to new
Bracelet size customization: Custom 1.5 link
Thickness: 11.7mm

Posted at

Feb 5, 2026, 10:22 AM

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