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

Reference L2.910.4.51.6

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

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

Current Listings

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 Chrono Moonphase (40mm)

Longines - L2.673.4 · $1,850

A Longines Master Collection Chrono Moonphase watch in good condition, featuring a 40mm case and including OEM bracelet and leather strap.

Condition: good pre-owned
Size: 40mm diameter
Lug width: 21mm

Posted at

Feb 6, 2026, 3:38 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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Longines Master Collection Moonphase Chronograph 40mm L2.673.4.78.6

Longines - L2.673.4.78.6 · $1,850

This Longines Master Collection Moonphase Chronograph features a 40mm case and includes a column wheel chronograph, 12 hour chronograph, moonphase display, and triple calendar.

Condition: Pre-owned with wear and use, some scratches and scuffs
Authentication: includes Box and Papers with Ebay authentication
Service history: unknown, previous owner claimed serviced before selling
Box condition: slightly damaged with one flap falling off and taped

Posted at

Jan 31, 2026, 4:06 PM

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REDUCED PRICE! Longines Master Collection Moon Phase (L29094517) ($1600)

Longines - L29094517 · $1,600

This Longines Master Collection Moon Phase watch has been worn minimally and is in terrific working order. It features a scratch-free crystal, case, and leather strap.

Condition: Like new - minimal wear
Purchase Price: 2350
Asked Price Drop: 150
Shipping Included: true

Posted at

Jan 28, 2026, 11:24 PM

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Longines Master Collection Moon Phase Chronograph (40mm) L2.673.4.78.3

Longines - L2.673.4.78.6 · $2,250

A Longines Master Collection Moon Phase Chronograph with a 40mm case, automatic caliber L687, and various complications including date, moon phase display, and chronograph.

Case size: 40mm diameter
Thickness: 14.3mm
Movement frequency: 28'800 VPH

Posted at

Jan 27, 2026, 8:44 PM

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