Panerai Mare Nostrum Mare Nostrum Steel

Reference PAM00300

About this watch

The Panerai PAM00300 Mare Nostrum Steel is a masterpiece that embodies the essence of Panerai's heritage. This limited-edition watch features a hand-wound chronograph movement, powered by the Panerai caliber OP XXV. The 52mm stainless steel case is a bold statement piece, perfect for both casual and formal events. The sapphire glass adds an extra layer of luxury, ensuring that your watch remains pristine even with daily wear. The black dial strikes a perfect balance between readability and style, while the open case back allows you to admire the intricate workings of the OP XXV movement. With only 99 units produced, this timepiece is a true collector's item, not just for its stunning design but also for its historical significance as a piece of horological art.
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Key Features

  • Hand-wound chronograph movement
  • Stainless steel case with sapphire glass
  • Open case back with intricate OP XXV movement
  • Limited edition of 99 units produced in 2010
  • Chronograph function with column wheel design
  • Large diameter of 52mm and lug width of 27mm
  • 30 meter water resistance

Specifications

Brand
Panerai
Family
Mare Nostrum
Model
Mare Nostrum Steel
Reference
PAM00300
Movement
op-xxv
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph, Column wheel
Case
Stainless Steel 52mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

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Panerai - PAM0031 · $5,590
The watch being listed is a Panerai PAM0031 Luminor GMT 3 Day Reserve. It's described as having additional details that can be viewed on the provided link.

  • Water resistance: 100m
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Dec 27, 2025, 1:20 PM
Active
[WTS]12051 - Panerai - PAM00361 - pre-owned conditions with MINOR signs of usage - Card & Box - 4150$

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A pre-owned Panerai PAM00361 in excellent condition, showing only minor signs of usage.

  • Condition: Pre-owned with minor signs of use
  • Includes: Card & Box
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Dec 24, 2025, 5:59 AM
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Panerai - PAM00393 · $16,499
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  • Condition: Excellent
  • Case size: 42mm
  • Material: 18k rose gold
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Dec 22, 2025, 9:02 AM
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This Panerai Radiomir Chronograph combines the vintage design of the Radiomir with the practicality of an automatic chronograph. The watch features a 42mm stainless steel case, black dial, and OP XXIII calibre self-winding movement.

  • Condition: Very good pre-owned condition
  • Case size: 42mm diameter
  • Movement: OP XXIII self-winding movement
  • Water resistance: 100m depth rating
Posted at
Dec 20, 2025, 2:30 PM
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This Panerai Luminor 1950 is a 44mm watch with a black dial and features a GMT function.

  • Condition: Very good condition, rated at 9.9/10
  • Included Accessories: Inner and outer Panerai boxes, strap change tool, booklet, one additional Panerai black leather strap, one additional Panerai dark brown leather strap, warranty card (dated 2012)
  • Additional Straps: 3 straps
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Dec 19, 2025, 11:41 AM
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[WTS] Panerai Luminor. PAM00312. 3 Days. Automatic.

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Panerai - PAM00312 · $3,350
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  • Power reserve: 3 days
  • Clasp type: deployant
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Dec 18, 2025, 4:12 PM
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This Panerai PAM 389 (47mm Luminor 1950) is a beautiful watch with box, papers, and extras. It comes with various accessories such as boxes, papers, bands, and tools. The seller guarantees the authenticity of the watch.

  • Box: true
  • Papers: true
  • Bands: OEM black rubber band
Posted at
Apr 2, 2025, 8:12 AM
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Panerai Submersible PAM 389 PAM389 PAM00389 Amagnetic 3 Days W/Box and Papers!!!

Panerai Submersible PAM 389 PAM389 PAM00389 Amagnetic 3 Days W/Box and Papers!!!

Panerai - PAM 389 · $6,450
A Panerai PAM 389, a 47mm Luminor 1950 model, available in an amazing condition including box and papers.

  • Condition: Used with wear
  • Box Papers Included: yes
  • Bands: 1 x OEM black rubber band with OEM tang buckle / clasp
  • Extras: OEM Panerai pushpin release tool, OEM Panerai screwdriver, OEM Panerai polishing cloth
Posted at
Mar 30, 2025, 1:21 PM
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Panerai Submersible PAM 389 PAM389 PAM00389 Amagnetic 3 Days W/Box and Papers!!!

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Panerai - PAM 389 · $6,450
A Panerai PAM 389, a 47mm Luminor 1950 with box, papers, and extras. The watch is in good condition with some wear.

  • Condition: Used
  • Box Type: Cardboard outer box, Black cardboard box, Pearwood display box
  • Papers: Panerai instruction booklet, Panerai guarantee booklet, Third party authentication card
  • Bands: OEM black rubber band on OEM tang buckle / clasp
Posted at
Mar 25, 2025, 8:00 PM
Active