This Seiko Marinemaster 300 is a great-looking watch that's running well with only a +1 second per day deviation. It comes with its original kit and extra strap.

• Condition: Very good condition, with one small scratch on the lug and desk dive marks on the bracelet
• Age of owner when purchased: around 2020
• Includes extras: full kit, extra Seiko rubber strap, all links

This is a Seiko Prospex SLA021 Marinemaster 300m Diver Watch featuring a black ceramic bezel, monobloc stainless steel case and automatic & manual wind movement. The watch has a polished finish thanks to the Japanese Zaratsu hand polishing process. It can be worn casually or on your next diving trip.

• Condition: Very Good
• Case size: 44.3mm diameter
• Water resistance: 300m depth rating
• Movement: 8L36 mechanical

This Seiko MarineMaster SLA021 is an awesome work watch that comes with extra features. It's in solid condition and includes extras like straps, papers, and extra links.

• Condition: solid shape
• Straps: extra straps
• Papers: original papers
• Links: extra links

a Seiko Marinemaster SLA021 watch with a strong timekeeping performance, coming with box, papers, and extra links.

• Condition: Pre-owned in solid shape
• Links: extra links
• Strap: cut crafter blue strap

This Seiko SLA021 Marine Master 300 is a complete and clean example of the watch, coming with its original box, papers, tags, extra links, bracelet, and rubber strap.

• Condition: Pre-owned with small scratch on clasp due to normal wear and tear
• Box And Papers: yes
• Extra Links: 1
• Bracelet Type: original

This Seiko SLA021 Marinemaster 300m is a high-end diving watch with features such as water resistance up to 300m, automatic movement, and a stainless steel case.

This Seiko Prospex SLA021 boasts a beautiful ceramic bezel, excellent zaratsu polishing, and a sapphire crystal with anti-reflective coating. The watch has not required service since I have owned it.

• Condition: Excellent used condition with minor scuffs and hairlines
• Dial Color: Black
• Crystal Type: Sapphire crystal with anti-reflective coating
• Bracelet Material: Stainless Steel