Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001
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Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 1Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 2Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 3Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 4Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 5Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 6Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 7Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 8Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 9Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 10Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 11Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 12Case #331 — Omega Seamaster Professional Blue on Steel  Ref. 210.30.42.20.03.001 13
Omega

Case #331 — Omega Seamaster Professional Blue on Steel Ref. 210.30.42.20.03.001

210.30.42.20.03.001
Deal Score80
$4,395
Flyback: fair value est. $5,055
Watch OnlyCondition: Very Good

Why This Score?

Excellent deal: excellent condition, priced below market.

Key Drivers
Excellent condition
Priced below market
Moderately trusted seller
Watch only (no box or papers)

The model prioritized pricing data from 60 comparable sales over a 90-day window.

Watch Specs

master-chronometerceramic-bezeldate
42mm
Diameter
50mm
Lug to Lug
13.6mm
Thickness
20mm
Lug Width
Caliber
Omega 8800
Movement
Automatic
Crystal
Sapphire
Power Reserve
55h
Case Material
Stainless Steel
Dial
Blue
Strap
bracelet
MSRP:
$5,900
Introduced:
2018

Perceived Size

How it wears, not just how it measures

~52mm

vs 50mm L2L

Compact (36mm)Substantial (60mm)

13.6mm case thickness adds +2mm wrist presence

Will this fit your wrist?

Slide to your wrist circumference to see the fit diagram.

Wrist circumference17 cm
12cm17cm (avg)22cm

Sold Comps (180 days)

61 sold in 90 days (all conditions)
NewFULL SETBOX ONLYPAPERS ONLYWATCH ONLYAsking Price