Item: Omega Seamaster Professional 2531.80.00 Tritium 1996 Full set
 
Why is this example interesting? Cal. 1109 movement, beautiful tritium dial, 60 click bezel (later versions have 120 blick bezel), old grey Omega box, full set with original recipt for 2450 DM from 1996, Uhren Magazine from 1996, Fratellowatches Omega Seamaster 300M Diver Magazine, German Omega 1996 Pricelist Catalogs (see the last pictures)

Reference number: 2531.80.00

Date of purchase: 02/1996

Case: stainless steel, case diameter 41 mm, Helium escape valve, screw‑in crown, unidirectional rotating bezel

Strap: original steel bracelet, foldover clasp with diver extension

Movement: Cal. Omega 1109 (Omega SMP 2531.80.00 with cal. 1109 is a rare find, later versions of 2531.80.00 watches and majority of them have cal. 1200)

Full set: Omega white box, grey leather box, warranty card, chronometer certificate of the watch, operating instructions brochure, agents in the world and SMP brochures, original recipt for 2450 DM from 1996, watch with bracelet

Condition: Light wear marks on case and strap, the sapphire crystal is scratch-free