OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black
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OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 1OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 2OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 3OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 4OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 5OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 6OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 7OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 8OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 9OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black 10
Omega

OMEGA Seamaster Professional 300 Co-Axial Diver 42mm 300M Black

210.30.42.20.01.001
Deal Score35
$4,900Avg Sold $3,296
Watch OnlyCondition: Very Good

Why This Score?

Below average deal: moderately trusted seller, condition concerns.

Key Drivers
Moderately trusted seller
Condition concerns
Priced above market
Watch only (no box or papers)

The model prioritized pricing data from 227 comparable sales over a 90-day window.

Watch Specs

diversteel300mblack
42mm
Diameter
48.5mm
Lug to Lug
13.5mm
Thickness
21mm
Lug Width
Caliber
8800
Movement
Automatic
Crystal
Sapphire
Power Reserve
55h
Case Material
stainless steel
Dial
black
Strap
bracelet
MSRP:
$5,500
Introduced:
2018

Perceived Size

How it wears, not just how it measures

~51mm

vs 49mm L2L

Compact (36mm)Substantial (60mm)

↑ 13.5mm 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)

FULL SETBOX ONLYPAPERS ONLYWATCH ONLYAsking Price
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