The Seiko Prospex Marinemaster 1968 Heritage Diver is a large watch with a 300m water resistance and inhouse SL35 auto movement. It features a 42.6mm width case and comes as full kit with various accessories.

• Condition: 9/10, one blemish on the top left lug
• Case Width: 42.6mm
• Case Length: 49.3mm L to L
• Thickness: 13.4mm

Up for sale is my Seiko Marinemaster SJE097 with a silver white dial and green lume. The watch comes as a full kit and has a nice silvery sheen to it.

• Condition: Very good (minor scratches on bezel and lugs)
• Dial color: silver white
• Lume color: green
• Bracelet size: 7inch wrist (sized to fit)

This is a rare MarineMaster mm300 tuna watch without the prospex logo, which has been serviced with a new battery.

• Condition: good condition
• Battery Status: changed yesterday
• Shipping Coverage: seller covers track FedEx shipping from Singapore
• Shipping Time: less than a week to reach US

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