• Case size: 39mm diameter
• Movement: Cal Ω 1151 Chronograph Automatic

This Omega Speedmaster Triple Date features a black dial with tritium markers, triple calendar, and moonphase functionality. The watch is powered by an automatic chronograph movement and comes in a stainless steel case.

• Condition: Very good overall condition with light, honest wear on case
• Case diameter: 39mm
• Lug width: 18mm
• Crystal type: Sapphire, AR coated

This Omega Speedmaster Schumacher MK40 is a 39mm grey dial watch featuring the caliber 1151 movement.

• Condition: Good
• Size: 39mm case diameter
• Dial Color: grey

Up for sale is my Omega Speedmaster Day-Date MK40, reference 3520.53.00. A cult-favorite Speedy with serious ‘90s charm and one of the most wearable Speedmaster configurations ever made.

• Condition: good
• Case size: 39mm
• Movement type: automatic chronograph

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