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Found 574 watches matching "300M" and 3044 listings

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Found 3044 listings matching "300M"

[WTS] Omega Seamaster Professional 300M 2220.80 “Casino Royale” | Co-Axial Cal. 2500 (Fresh Service), Unpolished, Box & Instructions | $2,899 Shipped

Omega Seamaster Professional 300M 2220.80 “Casino Royale” | Co-Axial Cal. 2500 (Fresh Service), Unpolished, Box & Instructions | $2,899 Shipped

The Omega Seamaster Professional 300M ref. 2220.80.00 is a 41mm full-size variant featuring the Co-Axial Cal. 2500 movement, signature skeleton hands, blue wave dial, aluminum bezel insert, helium escape valve, and big seahorse caseback.

Posted at
May 17, 2026, 9:40 AM
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[wts] Superocean tiff complete + strap, under warranty

Superocean tiff complete + strap, under warranty

Omega - A17376 · $3,750
This Superocean 'Tiff' is a Swiss automatic COSC certified watch with a 44mm diameter, featuring a screw-down crown and 300m water resistance. It's accompanied by a matching O3M strap and clasp, perfect for summer activities.

  • Condition: Under warranty until 2027
  • Case size: 44mm diameter
  • Depth rating: 300m
  • Water resistance type: Screw down crown
Posted at
May 16, 2026, 11:32 PM
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[WTS] Steinhart Ocean One “La Francaise” French Limited Edition of 50 pcs

Steinhart Ocean One “La Francaise” French Limited Edition of 50 pcs

Steinhart - Ocean One "La Francaise" · $1,000
This rare Steinhart Ocean One La Francaise is a limited edition of only 50 pieces, released in French markets. It features a 42mm case and 300m water resistance.

  • Material: 42mm diameter
  • Water resistance: 300m WR
  • Movement: ETA 2824
Posted at
May 16, 2026, 8:57 PM
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[WTS] Marathon JDD Arctic Automatic WW194021-WD 46mm

Marathon JDD Arctic Automatic WW194021-WD 46mm

Marathon - WW194021-WD · $1,450
This is the 46mm Jumbo Day-Date Arctic model with a white Arctic dial, automatic movement, day/date display, tritium tubes, and 300m water resistance. The watch includes a Marathon rubber strap.

  • Condition: Very good overall condition with light signs of wear from normal use
  • Water Resistance: 300m/1000ft
  • Case Diameter: 46mm
Posted at
May 16, 2026, 8:42 PM
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[WTS][US] Omega Seamaster Professional 300m - Brushed Steel Dial - Steel Mesh Bracelet - 210.30.42.20.06.002 - Full Set

[US] Omega Seamaster Professional 300m - Brushed Steel Dial - Steel Mesh Bracelet - 210.30.42.20.06.002 - Full Set

Omega - 210.30.42.20.06.002 · $5,950
This Omega Seamaster Professional features a brushed steel dial and comes in excellent condition.

  • Condition: Fantastic condition with minor hairlines
  • Bracelet type: Steel Mesh Bracelet
  • Box included: yes
  • Papers included: yes
Posted at
May 16, 2026, 3:28 PM
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[WTS] Omega Seamaster Diver 300M 🔥 $3350 🔥

Omega Seamaster Diver 300M 🔥 $3350 🔥

Omega - Seamaster Diver 300M · $3,350
Up for sale is my Omega Seamaster Diver 300M in the gray dial/blue bezel configuration.

  • Condition: like new (near-mint)
  • Bezel condition: small mark
  • Clasp condition: light hairline
  • Strap count: 2
Posted at
May 16, 2026, 3:43 PM
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[WTS] Ladies Omega Seamaster Professional 300M 28mm – Ref. 2224.80 – Serviced March 2026, Trusted USA Seller

Ladies Omega Seamaster Professional 300M 28mm – Ref. 2224.80 – Serviced March 2026, Trusted USA Seller

Omega - 2224.80 · $1,475
A compact Omega Seamaster Professional 300M Quartz (ref. 2224.80) with a classic blue wave dial and skeleton hands, suitable for ladies or smaller wrists.

  • Condition: Exceptional condition
  • Case dimensions: 28.4mm diameter, 34.2mm lug-to-lug, 10.6mm thick
  • Bracelet size: fits up to 6.3" wrist
  • Depth rating: 300m
Posted at
May 16, 2026, 2:43 PM
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[WTS] 2023 Omega Seamaster SMP300m Blue Wave Dial Reference 210.32.42.20.03.001 - Box and Papers

2023 Omega Seamaster SMP300m Blue Wave Dial Reference 210.32.42.20.03.001 - Box and Papers

Omega - 210.32.42.20.03.001 · $4,277
This 2023 Omega Seamaster Diver SMP300M features a 42mm blue wave dial, is in excellent condition with minimal signs of wear and comes with various accessories.

  • Condition: Excellent, minimal signs of wear
  • Case Size: 42mm diameter
  • Water Resistance: 300m depth rating
Posted at
May 16, 2026, 12:50 PM
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[WTS] Longines HydroConquest 39mm - $1,995

Longines HydroConquest 39mm - $1,995

Longines - HydroConquest · $1,995
The Longines HydroConquest is a 39mm automatic watch with a green dial, powered by the L888.5 movement and featuring a 300m water resistance.

  • Condition: Excellent condition
  • Case width: 39mm (without crown)
  • Lug to lug length: 48.1mm
  • Lug spacing: 20mm
Posted at
May 16, 2026, 1:20 PM
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