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

[WTS] Panerai Luminor Marina 1950 3 Days Automatic 44mm Titanium Brown Dial PAM00351 Complete

Panerai Luminor Marina 1950 3 Days Automatic 44mm Titanium Brown Dial PAM00351 Complete

Panerai - PAM00351 · $4,950
This Panerai Luminor Marina 1950 3 Days Automatic features a titanium case and brown dial.

  • Condition: Very good condition, rated at 9.7/10
  • Box Contents: inner box,outer box,strap change tools,booklets,stickers
  • Included Straps: additional Panerai dark brown rubber strap
Posted at
May 1, 2026, 12:09 PM
Active
[WTS] Panerai Luminor 1950 3 Days GMT Power Reserve 44mm Black Dial PAM00321 Complete

Panerai Luminor 1950 3 Days GMT Power Reserve 44mm Black Dial PAM00321 Complete

Panerai - PAM00321 · $5,150
The seller is listing a Panerai Luminor 1950 3 Days GMT Power Reserve with a black dial and a 44mm case.

  • Condition: In very good condition, rated at 9.8/10, with minimal handling marks.
  • Included Accessories: Inner & outer Panerai boxes, strap change tools, booklet, additional black Panerai leather strap, and papers
  • Size: 44mm diameter
Posted at
May 1, 2026, 12:04 PM
Active
[WTS] Panerai Luminor Marina 1950 PAM00351 44mm Titanium Brown Dial Box Papers 2016

Panerai Luminor Marina 1950 PAM00351 44mm Titanium Brown Dial Box Papers 2016

Panerai - PAM00351 · $5,390
This is a Panerai Luminor Marina 1950 PAM00351 watch featuring a 44mm brushed titanium case, brown tobacco sandwich dial, and automatic Calibre P.9000 movement.

  • Condition: Excellent pre-owned condition with light wear on the case, bezel, straps, and pin buckle
  • Case diameter: 44mm
  • Water resistance: 300m
  • Movement: P.9000 automatic
Posted at
Apr 30, 2026, 10:06 PM
Active
[WTS] Panerai Luminor Marina 1950 Auto PAM00359 44mm Steel Black Dial Box Papers 2010

Panerai Luminor Marina 1950 Auto PAM00359 44mm Steel Black Dial Box Papers 2010

Panerai - PAM00359 · $4,650
This Panerai Luminor Marina 1950 features a satin-brushed stainless steel case, black sandwich dial with luminous Arabic numeral hour markers, date at 3 o'clock and small seconds at 9 o'clock. It is powered by the Calibre P.9000 automatic movement with a 72-hour power reserve.

  • Condition: Excellent pre-owned condition with light wear on the case, straps, and pin buckle
  • Case size: 44mm diameter
  • Water resistance: 300m depth rating
  • Movement: Calibre P.9000, automatic, 72-hour power reserve
Posted at
Apr 30, 2026, 8:39 PM
Active
[WTS] Panerai PAM00388 Automatic 3 Days In-house Movement $2,899

Panerai PAM00388 Automatic 3 Days In-house Movement $2,899

Panerai - PAM00388 · $2,899
This Panerai Radiomir features a uncluttered sandwich dial, small seconds, numeral 9, date and jumping hour hand to change timezone without stopping the minute and second hand. The watch houses Panerai Calibre P.9000 Automatic movement with 28 Jewels, composed of 197 parts, beating at 28800 vph, and has a power reserve of approximately 72 hours.

  • Condition: Excellent pre-owned condition
  • Case size: 45mm diameter
  • Dial material: Matte black
  • Luminous numerals: Arabic numerals
Posted at
Apr 30, 2026, 3:17 PM
Active
[WTS] Panerai Luminor Base Limited Edition 1 of 2,000 44mm PAM00390 Full Set Box & Papers, 2 Extra straps

Panerai Luminor Base Limited Edition 1 of 2,000 44mm PAM00390 Full Set Box & Papers, 2 Extra straps

Panerai - PAM00390 · $4,295
This is a limited edition Panerai Luminor Base with a unique tobacco/brown/grey sandwich dial that changes colors depending on the light. It's 44mm in size and features a hand-wound mechanical movement.

  • Condition: Excellent
  • Limited edition: 1 of 2,000
  • Case size: 44mm diameter
  • Movement type: Hand-wound mechanical
Posted at
Apr 28, 2026, 12:47 PM
Active
[WTS] Panerai Luminor 1950 3 Days GMT Power Reserve 44mm Black Dial PAM00321 Complete

Panerai Luminor 1950 3 Days GMT Power Reserve 44mm Black Dial PAM00321 Complete

Panerai - PAM00321 · $5,150
This is a Panerai Luminor 1950 3 Days GMT Power Reserve with a 44mm black dial.

  • Condition: Very good, with minimal handling marks (9.8/10)
  • Case Size: 44mm
  • Box And Papers: Yes
Posted at
Apr 24, 2026, 10:22 AM
Active
[WTS] Panerai Luminor 1950 10 Days GMT Ceramic 44mm PAM 335 - PAM00335

Panerai Luminor 1950 10 Days GMT Ceramic 44mm PAM 335 - PAM00335

This watch features a 10-day power reserve, black ceramic case, GMT functionality, and domed crystal. It's considered stealthy yet luxurious due to its unique design.

  • Case size: 44mm
  • Material: Black Ceramic
  • Power reserve: 10 days
Posted at
Apr 24, 2026, 8:39 AM
Active
[WTS] 2013 Panerai Luminor Marina 1950 3 Days PAM00351 Titanio

2013 Panerai Luminor Marina 1950 3 Days PAM00351 Titanio

Panerai - PAM00351 · $3,995
This 2013 Panerai Luminor Marina PAM00351 features a tobacco sandwich dial, lightweight titanium case and an unmistakable Panerai presence.

  • Condition: Very Good pre-owned condition
  • Case material: Titanium
  • Dial color: Tobacco sandwich dial
Posted at
Apr 24, 2026, 12:34 AM
Active