Description
The Omega Seamaster Professional 300M reference 2531.80 pairs a blue wave dial with a 41mm stainless steel case and Omega Calibre 1120 automatic chronometer movement. This example was professionally serviced in November 2026 and includes its original inner and outer boxes and manual.
Learn more at OmegaWatches.com.
Condition & Service Notes
- Movement: Full service completed in November 2026. Running well, with all functions reported to operate correctly.
- Case & Bracelet: Excellent condition, with sharp lugs and defined brushed and polished finishes. Very small flea bites on the case and bezel around 9 o’clock.
- Dial & Bezel: Blue wave dial with luminous markers and a blue aluminum bezel insert.
- Crystal: Scratch-free sapphire crystal.
- Bracelet Fit: Fits up to a 7.5-inch wrist. No extra links included.
- Boxes: Original inner and outer boxes show typical wear.
- Warranty: One-year TamboWatches mechanical warranty.
Included in the Sale
- Omega Seamaster Professional 300M 2531.80 watch with stainless steel bracelet
- Original inner and outer boxes
- Manual
Original cards and extra bracelet links are not included.
Specifications
- Brand: Omega
- Model: Seamaster Professional 300M
- Reference: 2531.80.00
- Case Size: 41mm
- Material: Stainless steel case and bracelet
- Dial: Blue wave pattern
- Movement: Omega Calibre 1120 automatic chronometer
- Crystal: Sapphire
- Features: Date window, helium escape valve and unidirectional rotating bezel
Why Buy This Watch?
- Full service completed in November 2026.
- Blue wave dial and 41mm Seamaster Professional case.
- Omega Calibre 1120 automatic chronometer movement.
- Original inner and outer boxes and manual included.

















