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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The Panerai Radiomir 3 Days features an uncluttered sandwich dial, small seconds, numeral 9, date and jumping hour hand. It houses the in-house Calibre P.9000 movement with a power reserve of approximately 72 hours.

  • Condition: Pre-owned - excellent timekeeping with no dings or scratches
  • Case Size: 45mm stainless steel
  • Dial: Matte black with luminous Arabic numerals
  • Movement: Panerai in-house Cal. P.9000 (28 jewels, 197 parts, 28800 vph, 72 hour power reserve)
Posted at
Mar 6, 2026, 5:06 PM
Active
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This Panerai Luminor Marina 1950 is a lightly used timepiece from Q4 2010. It comes with the full set, including box and papers.

  • Condition: Lightly Used
  • Year Of Manufacture: 2010
  • Calibre: Calibre 65
Posted at
Mar 1, 2026, 9:43 PM
Active
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Panerai - PAM00320 · $4,100
This Panerai Luminor 1950 GMT features a black sandwich dial with luminous Arabic and baton indices, powered by the Calibre P.9001 automatic movement.

  • Condition: Excellent
  • Case size: 44mm diameter
  • Water resistance: 300m depth rating
Posted at
Feb 27, 2026, 4:04 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
Active
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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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