[WTS] SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered)

SEIKO Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic | $1,700 (Shipped/Tariff Covered)

Seiko - SBDX023 · $1,700
a modern classic Seiko Diver Marine Master Professional 300m watch featuring a Hi-beat Automatic movement and ceramic bezel.

  • Condition: great, unpolished shape with desk diving marks on the bracelet and a small ding on the side of the case
  • Movement: 8L35 Hi-Beat (MEMS tech), 50-hour reserve, hacks/winds
  • Dimensions: 44mm case | 14.6mm thick | 50mm lug-to-lug
  • Features: Ceramic bezel, sapphire crystal, and Diashield coating
Posted at
May 28, 2026, 11:08 AM
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[WTS] Seiko Prospex SPB451 “1965 Heritage Diver” – Full Kit / Warranty / Near Mint

Seiko Prospex SPB451 “1965 Heritage Diver” – Full Kit / Warranty / Near Mint

Seiko - SPB451J1 · $925
This is a brand new, barely used Seiko Prospex SPB451 '1965 Heritage Diver' in blue, with only extremely light signs of wear. It's part of Seiko's newest evolution of the SPB143 platform and features improved proportions, an upgraded clasp/bracelet, slimmer wear, and 300m water resistance.

  • Condition: Near Mint
  • Case size: 40mm
  • Lug-to-lug length: 46.4mm
  • Thickness: 13mm
Posted at
May 28, 2026, 10:29 AM
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[WTS] Omega Seamaster Diver 300m / FULL SET / Professional Co-Axial / Black Wave Dial / 41mm / 212.30.41.20.01.002 / $3,099 Shipped!

Omega Seamaster Diver 300m / FULL SET / Professional Co-Axial / Black Wave Dial / 41mm / 212.30.41.20.01.002 / $3,099 Shipped!

This Omega Seamaster Diver is a 41mm watch with a black wave dial and is part of the full set.

  • Case Diameter: 41mm
Posted at
May 27, 2026, 10:51 PM
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[WTS] Omega Seamaster Professional Co-Axial Professional Diver 300M 212.30.41.20.03.001 41mm | Excellent Condition (With Box, Booklet & Serviced) | $3000

Omega Seamaster Professional Co-Axial Professional Diver 300M 212.30.41.20.03.001 41mm | Excellent Condition (With Box, Booklet & Serviced) | $3000

This Omega Seamaster Professional Diver 300M is a modern classic from the 2010s, featuring a stainless steel case with 300m water resistance and a glossy blue lacquer dial.

  • Condition: Excellent
  • Case size: 41mm
  • Lug to lug: 47.4mm
  • Thickness: ~13.1mm
Posted at
May 27, 2026, 10:43 PM
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[WTS] Omega Seamaster Professional Diver 300m Blue Dial Steel No Wave Reference 212.30.41.20.03.001 Box and Card dated 2021

Omega Seamaster Professional Diver 300m Blue Dial Steel No Wave Reference 212.30.41.20.03.001 Box and Card dated 2021

This Omega Seamaster Professional Diver features a blue no wave dial and is in excellent condition with only minor wear on the case, bracelet, and clasp.

  • Condition: Excellent condition
  • Case size: 41mm
  • Depth rating: 300m
  • Box: yes (outer white box and inner wooden Omega presentation box)
Posted at
May 26, 2026, 2:50 PM
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[WTS] Citizen Promaster Professional 300m Bn0000-04h

Citizen Promaster Professional 300m Bn0000-04h

Citizen - Bn0000-04h · $299
This Citizen Promaster Professional 300m diver is in excellent condition, featuring a Monobloc case and potent lume. The movement is running strong, with a slight gain of 1 to 4 seconds per month.

  • Condition: Stellar condition, no rubs or scuffs
  • Bracelet included: Long Island Watch Scales bracelet
  • Strap included: Original strap
  • Case size: 41mm diameter
Posted at
May 26, 2026, 9:58 AM
Sold
[WTS] OMEGA Seamaster Pro SMP 300 | FULL KIT under Warranty | Black Dial

OMEGA Seamaster Pro SMP 300 | FULL KIT under Warranty | Black Dial

Omega - SMP 300 · $4,275
2024 Omega Seamaster Diver 300 with a black dial and full kit including warranty.

  • Condition: Extremely Clean
  • Warranty: under warranty
  • Dial color: black
  • Strap type: rubber
Posted at
May 22, 2026, 8:00 PM
Sold
[WTS] Omega Seamaster Professional 300m - 41mm Blue Non Wave - 212.30.41.20.03.001

Omega Seamaster Professional 300m - 41mm Blue Non Wave - 212.30.41.20.03.001

This Omega Seamaster Professional Diver 300M features a blue dial without the wave pattern and comes in a 41mm size.

  • Condition: pre-owned with normal light wear throughout
  • Size: 41mm diameter
  • Depth rating: 300m
Posted at
May 22, 2026, 2:54 PM
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[WTS] Seiko Prospex 1965 Heritage Diver Blue SPB451 - $784 shipped express worldwide

Seiko Prospex 1965 Heritage Diver Blue SPB451 - $784 shipped express worldwide

Seiko - SPB451 · $784
A Seiko Prospex 1965 Heritage Diver, featuring a 40mm case size and 300m water resistance. It comes with box, papers, and spare links.

  • Condition: Used
  • Case Size: 40mm diameter
  • Lug To Lug Length: 46.4mm
  • Lug To Lug Width: 20mm
Posted at
May 21, 2026, 7:11 PM
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