This Seiko Marinemaster MM300 is a first version model featuring 'Marinemaster' on the dial and without 'X' on the crown. It has hand-applied lume and was purchased from an original owner who had it serviced.

• Condition: Great condition for its age with normal wear and tear, minor scratches, and small lug damage
• Age since serviced: 1 year
• Bracelet condition: Shows signs of use
• Strap condition: Unused

This Seiko Marinemaster MM300 features a dial with 'Marinemaster' instead of 'X', without the 'X' on the crown, and hand-applied lume. It was purchased from an original owner who had it serviced before selling.

• Condition: Pre-owned, with normal wear and tear
• Bracelet condition: Steel bracelet shows signs of use
• Strap condition: Rubber diving strap is unused
• Crystal condition: A few very small scratches

This Seiko Marinemaster MM300 is the first version with 'Marinemaster' on the dial and without 'X' on the crown. It features hand-applied lume and was purchased from an original owner in 2023.

• Condition: Used, overall great condition for its age with signs of normal wear and tear
• Bracelet condition: showing signs of use
• Strap condition: appears to be unused
• Crystal condition: a few very small scratches visible with right lighting

A first-generation Seiko Marine Master MM300, model SBDX001 (no “X” logo), with small visible scratches and dent on the inner and outer right lug.

• Condition: good (~85%)
• Lug condition: small scratches and dent

A Seiko SBDX001/MM300 dive watch from 2012, with a rubber strap that has been cut to fit smaller wrists.

• Condition: Very good shape given its age, with some marks on the case and bezel
• Warranty: No warranty or papers included
• Serial number: From 2012 based on serial number

A pre-owned Seiko Prospex Marinemaster Professional with a 44mm stainless steel case, automatic movement, black dial, and 300m water resistance.

• Condition: 81% (minor marks on lugs, bezel, and case)
• Movement: Automatic
• Case size: 44mm diameter
• Material: Stainless Steel

Pre-owned Seiko Prospex Marinemaster Professional watch in 44mm stainless steel case with automatic movement and black dial. The watch has a water resistance of 300 meters and comes with a stainless steel bracelet and black rubber strap.

• Condition: 81% condition due to slight marks on the lugs, bezel, and throughout the case.
• Case size: 44mm
• Material: Stainless Steel
• Dial color: Black

A modern classic Seiko Marine Master ref. SBDX001, worn daily for about 2 years straight.

• Condition: 7/10 with signs of honest daily wear
• Bracelet length: adjustable with extra links
• Extras: box, papers, Uncle Straps Irezumi GL831 strap, Crafter Blue silicone strap, black gator strap, extra NATOs