Panerai Luminor 1950 3 Days GMT 24H and its new P.9003 calibre

Panerai Luminor 1950 3 Days GMT 24H - Automatic Acciaio - 44 mm (PAM00531)

Panerai Luminor 1950 3 Days GMT 24H – Automatic Acciaio – 44 mm

The new Panerai Luminor 1950 3 Days GMT 24H (PAM00531) is the first watch from Panerai to use the new P.9003 automatic calibre. Developed based on the P.9001, it comes with several novel features.

The main difference is the GMT function which is indicated in 24 hours instead of 12 and the redesigned power reserve indicator on the back.

In terms of regulation, the hour hand – connected to the date – can be moved independently and in jumps of one hour, without interfering with the minute and seconds hands; equally, when setting the time the device which stops the balance and zeroes the seconds hand comes into operation, so that the time can be exactly synchronised with a reference signal.

Made from 233 components, the P.9003 has a power reserve of three days.

The back of the Luminor 1950 3 Days GMT 24H (PAM00531)

The back of the Luminor 1950 3 Days GMT 24H (PAM00531)

The GMT 24H functionality of the P.9003 calibre has a direct influence on the design of the dial of this Luminor as well as the classic markers for reading the local time, the outermost part of the dial carries the figures for reading the second time zone, indicated by the hand with an arrow.

The Luminor 1950 case 44 mm is AISI 316L steel, which is stainless with a low carbon content and particularly resistant to corrosion.

Water-resistant to 30 atmospheres (a depth of about 300 metres), the Luminor 1950 3 Days GMT 24H is fitted with a black leather strap with ecru stitching. It is supplied with a spare rubber strap, a steel screwdriver and the tool for replacing the strap, an operation that is simply carried out thanks to the push-pieces in the lugs.

The MSRP is $10,100 USD and it is expected to hit the shelves of authorized dealers around August or September.

The redesigned power reserve indicator of the P.9003 calibre

The redesigned power reserve indicator of the P.9003 calibre

Technical specifications

Automatic mechanical, Panerai P.9003 calibre, executed entirely by Panerai, 13¾ lignes, 7.9 mm thick, 28 jewels, Glucydur® balance, 28,800 alternations/hour. Incabloc® anti-shock device. Power reserve 3 days, two barrels. 233 components.

Hours, minutes, small seconds, date, second time zone with 24h indication, seconds reset, power reserve indicator on theback.

Diameter 44 mm, AISI 316L polished steel.

Polished steel.

See-through sapphire crystal.

Device protecting the crown:
(protected as trademark) Brushed steel.

Black with luminous Arabic numerals and hour markers. 24h indication on the edge. Date at 3 o’clock, seconds at 9 o’clock.

Sapphire, formed of corundum, 2.6 mm thick. Anti-reflective coating.

30 bar (~ 300 metres).

PANERAI personalised leather strap and trapezoidal brushed steel buckle. Supplied with a second interchangeable strap, a tool for changing the strap and a steel screwdriver.


More info at

As a graphic designer, I'm fascinated by the crossroads between technology and aesthetics. Horology is one of these crafts, where art and engineering come together to produce mechanical wonders that grace the eye. WatchPaper was born from the desire to create an online tool where I can share my passion for watches.