• Condition: Excellent
• Model name: Marine Master 300

A Seiko Marinemaster MM300 SBDX017 is being sold. It's brand new, unworn, and highly sought after, no longer in production.

• Condition: Brand new and unworn
• Box And Papers: included
• Production Status: no longer produced

The Seiko MarineMaster 300M model SBDX017 is a legendary watch with a short production run, known for its Zaratsu polished and DiaShield coated case. It has a glossy enamel bezel in fantastic condition and a flawless crystal.

• Condition: Fantastic condition
• Case size: 42mm
• Movement: Calibre 8R64
• Bezel material: Gloss enamel

A rare Seiko MarineMaster MM300 300M model with a short production run, featuring a Zaratsu polished and DiaShield coated case. The watch has a glossy enamel bezel and runs flawlessly.

• Condition: Fantastic Condition
• Case material: Stainless Steel
• Band size: 7.2 inches (no additional links)
• Water resistance: 300M

A Seiko Marinemaster 300 in minty condition, complete with boxes, papers, and accessories.

• Condition: minty condition
• Bracelet condition: great condition
• Strap options: factory rubber strap, Crafter Blue rubber strap

This Seiko Marinemaster MM300 features a 44mm x 15mm case, black dial, and 300M water resistance. It comes with an OEM bracelet and rubber strap, as well as box, card, and booklets.

• Condition: Very Good (-)
• Case size: 44mm x 15mm
• Lug to lug: 50mm
• Lug width: 20mm

A Seiko Marinemaster MM300 SBDX017, a 44mm x 15mm case with 50mm lug to lug and 20mm lug width. It features an automatic movement with 50 hour power reserve, rotating bezel, screw down crown, date window with quickset, black dial, and 300M water resistance.

• Condition: Very Good minus, minor signs of use on the case
• Movement: Caliber 8L35 with a 50 hour power reserve
• Water Resistance: 300m depth rating
• Dimensions: 44mm x 15mm case, 50mm lug to lug, 20mm lug width