Longines Master Collection Master Collection 38.5 Day Date Stainless Steel / Black-Roman / Bracelet

Reference L2.755.4.51.6

Longines Master Collection 38.5 Day Date Stainless Steel / Black-Roman / Bracelet

About this watch

The Longines Master Collection L2.755.4.51.6 is a masterpiece of watchmaking that perfectly balances elegance and functionality. This stunning timepiece features a black dial adorned with elegant Roman numerals, set within a 38.5mm stainless steel case. Protected by sapphire glass, the watch's intricate movement can be admired through its open back. The Longines caliber L636 powers this masterpiece, ensuring accurate timekeeping with its frequency of 28,800 vibrations per hour. With a power reserve of 38 hours and 25 jewels, this watch is designed for longevity. The day-date function adds practicality to its classic design, making it the perfect companion for daily adventures. Whether you're dressing up or down, the Longines Master Collection L2.755.4.51.6 exudes sophistication and timeless elegance.

Buy Now on Jomashop

This is an affiliate link

Key Features

38.5mm Stainless Steel Case
Black Dial with Roman Numerals
Sapphire Crystal Glass
Automatic Movement (Longines caliber L636)
Day-Date Function
Power Reserve of 38 hours
Water Resistance up to 30 meters

Specifications

Brand

Longines

Family

Master Collection

Model

Master Collection 38.5 Day Date Stainless Steel / Black-Roman / Bracelet

Reference

L2.755.4.51.6

Movement

l636

Movement Features

Hours, Minutes, Seconds
Date, Day

Case

Stainless Steel 38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

[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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange