The Wristwatch Field Guide

Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold

210.62.44.20.01.001

The Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold is a current-production diver watch with a black ceramic (zro2) case. At 120 g it sits around the middle for diver watches in the guide, and is priced well above the $1,199 median for the category. The caseback is open, so the movement is visible.

All Omega watchesExotic-material diver watchesCeramicBlackDiversDisplay back
Price
$15,500
Material
Ceramic
Grade / type
Black ceramic (ZrO2)
Weight
120 g (with strap)
Water resistance
300 m
Reference
210.62.44.20.01.001
Type
Diver
Case diameter
43.5 mm
Thickness
14.47 mm
Origin
Switzerland
Movement
Automatic
Caliber
Omega 8806
Power reserve
55 h
Complications
Time only
Colour
Black
Construction
Assembled
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Black rubber strap with ceramic pin buckle
Crystal
Domed sapphire, AR coated both sides
Display back
Yes
Dial
Black ceramic with laser-ablated waves, polished Sedna gold indexes and facetted hands
Dial colours
Black Gold
Lume
White Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Hardness, Surface treatment, Matching bracelet
High confidence Verified Aug 2026 Source: Omega Seamaster Diver 300M 210.62.44.20.01.001 (maker)
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Frequently asked questions

What is the case material of the Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold?

The Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold has a black ceramic (zro2) case with a sapphire caseback. This is confirmed against the maker spec.

What size is the Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold?

It is 43.5 mm in diameter, 14.47 mm thick, and water resistant to 300 m.

How much does the Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold weigh?

About 120 g (w/ strap).

How much does the Omega Seamaster Diver 300M 43.5mm Black Ceramic and Sedna Gold cost, and is it available?

It is current-production and lists from $15,500.

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