The Wristwatch Field Guide

Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold

210.60.44.51.03.001

The Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold is a current-production diver watch with a grade 2 titanium case. At 190 g it sits among the heavier diver watches in the guide, and is priced well above the $1,199 median for the category. It ships on a matching exotic-material bracelet rather than a strap.

All Omega watchesExotic-material diver watchesTitaniumDiversDisplay backChronograph
Price
$27,300
Material
Titanium
Grade / type
Grade 2
Weight
190 g (with bracelet)
Water resistance
300 m
Reference
210.60.44.51.03.001
Type
Diver
Case diameter
44.0 mm
Origin
Switzerland
Movement
Automatic
Caliber
Omega 9900
Power reserve
60 h
Complications
Date, Chronograph
Colour
Grey
Surface treatment
None
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Titanium, tantalum and Sedna gold bracelet with foldover clasp and diver extension
Matching bracelet
Standard
Crystal
Domed sapphire, AR coated both sides
Display back
Yes
Dial
Polished blue ceramic with laser-ablated waves and Sedna gold accents
Dial colours
Blue
Lume
Super-LumiNova
Availability
Offered
Status
Current (numbered edition)
Not published
Thickness, Lug-to-lug, Hardness, Construction
High confidence Verified Aug 2026 Source: Omega Seamaster Diver 300M Chronograph 210.60.44.51.03.001 (maker)
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Frequently asked questions

What is the case material of the Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold?

The Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold has a grade 2 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold?

It is 44.0 mm in diameter, and water resistant to 300 m.

How much does the Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold weigh?

About 190 g (w/ bracelet).

How much does the Omega Seamaster Diver 300M Chronograph Titanium Tantalum Sedna Gold cost, and is it available?

It is current-production and lists from $27,300.

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