The Omega Speedmaster Day-Date Ref. 3520.53.00 is a vintage Moonwatch variant from the 1990s that blends a chronograph with a triple calendar and AM/PM indicator.

• Condition: Good
• Movement: Automatic, Omega caliber 1151 (based on Valjoux 7751)
• Case size: 39mm diameter
• Crystal type: Scratch-resistant sapphire

This Omega Speedmaster MK40 Triple Calendar features a 39mm case size, making it very wearable and comfortable. It has tritium lume, produced around 1996-1997. The watch is part of a notable reference in Omega's back catalogue.

• Condition: Good condition with light scratches on the case and bracelet
• Case size: 39mm
• Wrist size compatibility: up to 6.8 inches
• Serial production year: around 1996-1997

This Omega Speedmaster MK40 39mm is a sought-after piece among enthusiasts due to its discontinued status. It has been in the seller's care for several years and never required servicing.

• Condition: Minimal signs of use, working well
• Year Of Production: 1999
• Movement Complexity: intricate calibers
• Recommended Maintenance: cleaning and oiling

One of the coolest Speedmaster variants, featured in A Man and His Watch, with a tritium dial and luminova hands.

• Condition: Pre-owned, with wear and dings on the bezel, insert, and case
• Case size: 39mm diameter

One of the coolest Speedmaster variants, featured in A Man and His Watch, with a tritium dial and luminova hands, dated to 1996.

• Condition: Wear and dings on the bezel, insert, and case
• Size: 39mm diameter
• Servicing: Serviced in 1996 for $875 by a local professional
• Wrist Size: 6 3/4

This Omega Speedmaster Automatic MK40 Day Date features a tritium dial, luminova hands, and is dated to 1996. It has been polished and serviced recently for $875.

A 1996 Omega Speedmaster Automatic MK40 Day Date with tritium dial, luminova hands, and a 39mm case. The watch has been serviced and is running well.

• Condition: Pre-owned, with wear and dings on the bezel, insert, and case
• Service history: serviced in 2023 for $875
• Size: 39mm diameter
• Power reserve: 44 hours

A Omega Speedmaster 3520.53 Mk 40 in good condition, functioning as it should.

• Condition: Pre-owned, minor scratches on bracelet
• Bracelet size: 7.5in wrist
• Extra link included: true
• Scratches: minimal and hardly noticeable

This Omega Speedmaster Automatic MK40 Day Date has been serviced and is running great. It features a tritium dial and luminova hands, and is dated to 1996.

• Condition: Pre-owned with wear and dings on bezel, insert, and case
• Service history: serviced in 2023 ($875)
• Case size: 39mm diameter
• Power reserve: 44 hour