lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/Omega/Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm
SpecStudio
Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm
Click to inspect
Omega · Seamaster Planet Ocean 600M

Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm

Ref. 217.32.42.21.01.001 · Diver

$8,600In stock

59 matched eBay listings

Case

Diameter
42mm
Thickness
13.79mm
Lug-to-lug
47.5mm
Lug width
21mm
Material
Stainless Steel
Finish
Steel
Water resistance
600m

Crystal & dial

Crystal
Sapphire
Shape
Domed
Dial colour
Black

Movement

Caliber
Omega 8912
Type
Automatic
Power reserve
60h
Hacking
Yes
Hand-winding
Yes

Design language

Case shape
round
Dial style
matte
Bezel
rotating
Bracelet
rubber
Hands
mercedes

AI-detected from the product image

Seamaster Planet Ocean 600M collection · 3 watches

Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm
Seamaster Planet Ocean 600M Co Axial Master Chronometer 39.5mm39.5mm
Seamaster Planet Ocean 600M Co Axial Master Chronometer GMT Worldtimer 45 5mm
Seamaster Planet Ocean 600M Co Axial Master Chronometer GMT Worldtimer 45 5mm45.5mm

7 colorways

Alternatives

01The market

Market prices.

Retail$8,600

The forum market

See what sellers are asking.

Active listings7Across watch forums
Closed · 30d3Asking-price history

Browse forum listings and their asking prices. Market+ adds medians with their sample sizes and the weekly trend.

Retail stock & market context

Omega on the secondhand market

+7.9%

2026 so far · +2.1% to +14.0% · 41 matched watches

In line with the index

Divers as a group: +6.5% · 338 matched watches

Year-by-year readings →

02The connection engine

More like this.

Omega Seamaster 300 Co Axial Master Chronometer 41mm

Omega

Seamaster 300 Co Axial Master Chronometer 41mm

41mm · Automatic$8,000

ZRC 1904 MN64 -Metal

ZRC 1904

MN64 -Metal

41.5mm · Automatic$3,690

Rolex Submariner

Rolex

Submariner

41mm · Automatic$10,050

Aquastar Benthos Professional

Aquastar

Benthos Professional

42mm · Automatic$1,590

Audaz Audaz Sea Ranger ADZ-2050

Audaz

Audaz Sea Ranger ADZ-2050

42mm · Automatic$375

Elliot Brown BEACHMASTER AUTOMATIC 0H0-A01-B07

Elliot Brown

BEACHMASTER AUTOMATIC 0H0-A01-B07

40mm · Automatic$2,820

View all alternatives

03The community take

Owners talk.

“

Owners widely report the Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm features a robust, over-engineered case with exceptional lume and a functional dial, though its thickness is noted as a drawback by some, with figures ranging from 13.79mm to 15.7mm. Reviewers and owners alike comment on its modern, angular design and the removal of the helium escape valve, with some preferring the sleeker aesthetic and others finding it trades toolish intent for polish. Accuracy is reported within zero to plus five seconds per day by one source, while another mentions a range from +1/+2 to about -6 seconds per day. On balance, owners and reviewers rate the Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm highly for its refined finishing and updated design at its price point.

Synthesized from 10 sources
Reddit·6↗
Monochrome↗
WatchCrunch↗
Hodinkee↗
Time + Tide↗
Open the discussion

On real wrists · 1

04The paper trail

Ask the communityStart a discussion about the Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm: get takes from other collectors.Ask →

05The discussion

Talk about the Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm.