This Fortis MarineMaster features a stainless steel case, blue dial, and sapphire crystal. It has a water resistance of 300m and is powered by a Sellita SW200-1 movement.

• Condition: Good used condition with light scratches on the case and a scratch on the bezel insert
• Case size: 40mm diameter
• Dial color: Blue
• Water resistance: 300m depth rating

This Seiko Marinemaster Tuna SBBN033 features a unique marinemaster treatment, keeping flawless time and coming with box, papers, and a rubber strap. Its 7c quartz movement is highly regarded.

• Condition: Pre-owned with minor cosmetic imperfections (hardlex crystal scuffs)
• Movement type: 7c quartz
• Band material: rubber

A Seiko Marinemaster 300 bracelet is up for sale, in excellent condition with all links included and OEM fat spring bars.

• Condition: Excellent
• Bracelet size: 20mm
• Spring bars included: Yes, OEM fat spring bars

This is a Seiko Tuna MarineMaster 300m, a full set including inner and outer boxes, warranty, manual, and extra accessories.

• Condition: pre-owned with wear
• Water resistance: 300m
• Bracelet type: original with divers extension
• Bands included: litany of awesome bands

The listing includes a Seiko seichu and a Seiko Marinemaster rubber waffle, along with a Hamilton leather NATO. These appear to be accessories or straps for watches.

A beautiful Seiko Marinemaster with a full kit and mint condition.

• Condition: Mint
• Purchase location: Exquisite Timepieces
• Accuracy: +2 seconds/day

This Seiko Marinemaster 300 SBDX001 is a true legend among Seiko divers. It's in excellent condition and has never been polished, with crisp case lines and bright Zaratsu polishing. This model is free of the Prospex logo and features a clean aesthetic.

• Condition: Excellent, light signs of wear
• Case Lines: crisp
• Bezel Action: outstanding
• Movement Winding: buttery smooth

This Seiko Marinemaster 300 Limited Edition 'Deep Forest' features a ceramic bezel insert and sapphire crystal. It comes in good condition with minimal signs of use.

• Condition: 9/10
• Case diameter: 43mm
• Movement type: Automatic

A clean, uncluttered Seiko diver with a case free of DiaShield coating, featuring a short lug-to-lug distance for comfortable wear.

• Condition: Excellent condition, minor signs of wear on the shroud and bezel
• Case material: unknown (not specified)
• Movement type: Mechanical (not specified further)
• Water resistance: 300m