[84 points] Panerai / Luminor Marina

The Luminor Marina is a watch that embodies Panerai's historical design. The new Luminor Marina, unveiled in 2025, maintains that identity while revising the details of its design and performance. The design is purer, the proportions are slimmer, and its practical performance has been steadily improved.

The new generation "Luminor Marina" boasts a slimmer design and enhanced water resistance, resulting in a more refined and complete timepiece.

The Luminor Marina is, in a sense, the "guardian of the Holy Grail," preserving Panerai's historical design. The cushion-shaped case, the eye-catching crown protector with a lever, the sandwich dial, and the small seconds at 9 o'clock—these are all definitive design elements that were already present in the very first Luminor models from the early 1940s.

　Iconic models like these require careful evolution for watch brands. They must maintain their identity for decades while being updated periodically to meet the needs and design sensibilities of the times. This is no easy task, as every move affects the brand's image.

　Panerai tackled this challenge and in the spring of 2025, unveiled a new Luminor Marina in five new variations. In addition to the black-dial Ref. PAM03312 that we tested, the lineup includes the blue-dial Ref. PAM03313, the white-dial Ref. PAM03314, the Ref. PAM03323 with a stainless steel bracelet (all with stainless steel cases), and the Ref. PAM03325 "Luminor Marina Titanio" with a green dial and titanium case. With a watch so closely based on historical design, one wouldn't expect groundbreaking changes. That's precisely why a closer look at the details yields interesting discoveries.

Minor changes to the dial

　Compared to the previous model, the Luminor Marina Ref. PAM01312, there are two immediately noticeable changes on the dial. These changes give the watch a purer design. First, the "Automatic" inscription has been removed. Textual information has been minimized, leaving only the brand name and model name. Second, the small seconds hand is no longer blue, but rhodium-plated like the hour and minute hands. This reduces the number of colors used by one, further enhancing the overall harmony. In addition, a stepped frame has been added to the date display. In the case of Ref. PAM03312, both the frame edge and the date display disc are uniformly black, so it cannot be said that the legibility is exceptionally good. However, it does contribute to making the dial look more elegant.

　The dial features a clean design with only hour markers, and its strong contrast ensures excellent legibility. The luminous markings also offer high visibility. Super-LumiNova X2 is used on the lower layer of the sandwich dial and on the hands. This new generation of luminous paint glows longer and more intensely than X1. The dial is covered by a slightly domed sapphire crystal, as before. While an important design element, it's undeniable that, like the polished bezel, it's prone to fingerprints.

Flatter sides

　When viewed from the side, the new Luminor Marina appears more elegant than its predecessor, thanks to its thinner profile. While the previous model had a total thickness of 15.45mm (measured), the new model's official thickness is 13.7mm (actual measurement with calipers is 13.6mm). This thinness doesn't detract from its origins as a tool watch worn by naval divers. Furthermore, the form is more balanced, undoubtedly contributing to greater comfort when worn.

　The stainless steel used in this new Luminor Marina is more corrosion-resistant than the stainless steel commonly used in the watch industry, and is particularly effective against seawater. The AISI-certified stainless steel 316LVM (material number 1.4441) used has a higher nickel and molybdenum content than the more common 316L (material number 1.4404). However, this material itself is expensive and difficult to process, which is reflected in the price. Considering Panerai's history of manufacturing watches and equipment for the navy, the decision to choose this particularly saltwater-resistant stainless steel can be seen as consistent with their approach.

　The lug shape has also been modified. From the front, it appears longer, and the streamlined lines on the side are slightly extended downwards. This gives the impression of a better fit. However, in practice, it's best to wear it so that it fits as snugly against the wrist as possible. If this isn't possible due to the placement of the strap holes, the case may unintentionally slide to the outside of the wrist.

Approximately 3 days of power reserve

　Regarding the movement, Panerai has adopted a newly designed one. Replacing the conventional Cal.P.9010, the new automatic movement, Cal.P. 980, is installed. It features a central rotor and was developed at Valfleurier, the movement workshop within the Richemont Group. Like its predecessors, the Cal.P. 980 achieves Panerai's renowned power reserve of approximately three days. However, unlike the Cal.P. 9010, it achieves this with only a single mainspring. In this respect, it can be said to have a configuration similar to the Cal.P. 900. The total thickness of the movement is 4.2mm, significantly thinner than the 6mm thick Cal.P. 9010. This has two advantages. One is the thinner case, as mentioned above, and the other is that the water resistance has improved from 30 atmospheres to 50 atmospheres due to the strengthened gasket.

The new Cal.P.980 movement, featured in the new Luminor Marina Ref.PAM03312 released in 2025, boasts a slim 4.2mm thickness and incorporates a hacking function. Equipped with a double-supported bridge, it achieves approximately three days of power reserve with a single barrel. Adjustment is performed via a regulator. The slightly smaller diameter bridge and partially hollowed-out rotor contribute to the movement's three-dimensional appearance.

The Cal.P.9010 movement, featured in the Ref.PAM01312, boasts a power reserve of approximately three days and employs a double-supported balance bridge and a free-sprung balance. It is also used in other models, such as the 47mm diameter "Submersible."

Accuracy test

　The Luminor Marina lacks minute markers and detailed seconds markings on the small seconds subdial, making it difficult to accurately determine the daily rate from the dial alone. However, accuracy measurements using a Witch timegrapher recorded chronometer-level performance in all six positions. The maximum gain was +2 seconds per day with the crown to the right, and the maximum loss was -2 seconds per day with the crown down. This consistent result indicates that Panerai adjusts its timekeeping in all six positions, a practice not common among manufacturers.

　However, adjusting the Cal. P. 980 is not easy. Although it is equipped with a fine adjustment mechanism using a regulator, the watchmaker still needs to manually adjust the effective length of the hairspring by moving the position of the hairspring bar. Nevertheless, like the Cal. P. 9010, the fact that the balance wheel is held in place by a double-supported balance bridge is commendable, as this structure enhances stability against shocks.

　Overall, the average daily deviation per 24 hours was 0 seconds, which is an excellent result. While there was a slight beat error (unidirectional beat) in one position that was outside the acceptable range, it was at a level that could be ignored in practical use.

The strap is easily replaceable.

　Like the Ref. PAM01312, this Luminor Marina Ref. PAM03312 also comes with two straps: a black alligator leather strap and a matching rubber strap. This allows you to use it as an elegant dress watch one day and a sporty tool watch the next. The leather strap features a distinctive large bamboo pattern, befitting a luxury timepiece.

　To make strap changes easier, Panerai has adopted the PAM QuickRelease System™ for the first time in the Luminor Marina. No tools are required, and it won't damage your fingernails like typical Abbey-style spring bars. A push-button mechanism is built into the strap; pressing the pusher retracts the locking pin that secures the spring bar, allowing you to pull it out. The system is simple and comfortable, but it may take a couple of tries to operate it for the first time, as the spring bar doesn't come out straight, but first sideways, then forward. Reattaching it can be done in an instant, even by someone with no experience. Both straps are secured to the wrist by Panerai's traditional trapezoidal buckle, made of stainless steel with a brushed finish, just like the case.

General comment

　Panerai has given the Luminor Marina a subtle refresh. The cosmetic changes are understated but pleasing, and the technical improvements include a thinner design, enhanced water resistance, brighter luminous paint, and a simpler strap change system. At the same time, these improvements should soften the criticism that the previous model, Ref. PAM01312, was "too expensive," as the price has remained unchanged despite these improvements. However, it is still expensive in absolute terms.

Specifications of the Panerai "Luminor Marina"

Plus points, minus points

+point
・Iconic design
• Long-lasting phosphorescent
・High water resistance of 50 atmospheres
・Excellent accuracy
• Tool-free PAM Quick Release System™

-point
- The case tends to slide to the outside of the wrist.
- Adjusting the movement is difficult.

Technical specifications

*Prices are current at the time of publication. This article is a translation of the German version of Kronos.

Accuracy stability test

Evaluation