Longines Master Collection Master Collection Calendar

Reference L2.503.0.83.3

About this watch

The Longines Master Collection L2.503.0.83.3 is a stunning representation of luxury, functionality, and Swiss craftsmanship. Its elegant design, combined with its impressive array of features, makes it a statement piece that exudes sophistication. The round shape, mother-of-pearl dial, and gem-set bezel create a true eye-catcher, while the Longines caliber L600 movement provides reliable and accurate timekeeping. This automatic movement is based on the robust ETA 2892-A2, known for its reliability and accuracy. With 25 jewels, a frequency of 28,800 vibrations per hour, and a power reserve of 42 hours, this movement is designed to keep pace with the demands of modern life. The watch features a stunning mother-of-pearl dial that changes hue based on the angle of light, along with Arabic numerals, feuille hands, and guilloche finish for added texture and interest.

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Key Features

Longines caliber L600 automatic movement
Stainless steel case with gem-set bezel
Mother-of-pearl dial with guilloche finish
Arabic numeral indexes and feuille hands
Sapphire crystal glass
30m water resistance
42h power reserve

Specifications

Brand

Longines

Family

Master Collection

Model

Master Collection Calendar

Reference

L2.503.0.83.3

Movement

l600

Movement Features

Hours, Minutes, Small Seconds
Date, Day, Month
Moonphase

Case

Stainless Steel 36mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

Longines Master Collection 40mm Rose Gold L2.793.5.79.7 w Box $1900

Longines - L2.793.5.79.7 · $1,900

A rose gold dress watch with a 40mm case, available as a standalone timepiece or paired with its matching 18K rose gold bracelet.

Condition: Good shape
Material: Rose Gold
Bracelet material: 18K Rose Gold

Posted at

May 14, 2026, 3:07 PM

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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

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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

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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

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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

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