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Louis Moinet

Louis Moinet 20-Second Tempograph LM-39.50.80

The Louis Moinet 20-Second Tempograph (reference LM-39.50.80) is a 44 mm 5N rose gold watch. It runs on the automatic caliber LM39 with a 48-hour power reserve and is water resistant to 50 m. It was introduced in 2016.

Specifications

Case

Reference
LM-39.50.80
Collection
Tempograph
Case size
44 mm
Thickness
16.1 mm
Case material
5N rose gold
Case shape
Round
Crystal
Sapphire, AR both sides
Water resistance
50 m
Bracelet / strap
Louisiana alligator

Movement

Movement
Automatic
Caliber
LM39
Power reserve
48 hours
Frequency
28,800 vph
Jewels
36
Functions
20-second Tempograph timing display

Production

Production
2016 – today

Dial versions

This reference was made with these dials and finishes.

  • LM-39.50.80

How it compares within the Tempograph family

Side by side with other references in the same collection, from the catalog.

ReferenceSizeMaterialDialCaliberYears
LM-39.50.80 (This watch)44 mm5N rose gold—LM392016–
LM-39.20.8043.5 mmGrade 5 titanium—LM392016–

About the Tempograph family

The Tempograph, from 2016, has a retrograde 20-second display that runs alongside the time.

The catalog lists versions in rose gold and titanium. Dealers check the papers.

Quick answers

What size is the Louis Moinet 20-Second Tempograph LM-39.50.80?
The Louis Moinet 20-Second Tempograph LM-39.50.80 has a 44 mm case, 16.1 mm thick.
What movement does the Louis Moinet 20-Second Tempograph LM-39.50.80 use?
It uses the automatic caliber LM39, with a 48-hour power reserve.
How water resistant is the Louis Moinet 20-Second Tempograph LM-39.50.80?
It is water resistant to 50 metres.
When did the Louis Moinet 20-Second Tempograph LM-39.50.80 come out?
It was introduced in 2016.
What is the Louis Moinet 20-Second Tempograph LM-39.50.80 made of?
The case is 5N rose gold. Bracelet or strap: Louisiana alligator.
See every Tempograph referenceAll Louis Moinet collections

Catalog facts checked November 2026.