Omega Planet Ocean 217.30.42.21.01.002
Ref. 217.30.42.21.01.002 · Black dial · In production
- Case42 mm
- Thick13.79 mm
- Lug-to-lug47.5 mm
- Water res.600 m
- MovementAutomatic
- CrystalSapphire
Omega Planet Ocean 217.30.42.21.01.002 size, specs and price at a glance
The Omega Planet Ocean 217.30.42.21.01.002 is 42 mm wide and 13.79 mm thick, with a lug-to-lug length of 47.5 mm. It takes 21 mm straps and ships on a bracelet. Inside is the Omega 8912 automatic calibre, water resistant to 600 m. US list price: $9,200 when we last checked omegawatches.com (3 Nov 2026).
Strap shopping? See our Omega lug width chart.
Overview
The Omega 217.30.42.21.01.002 is a diver watch from the Seamaster collection, part of the Planet Ocean family. It has a 42 mm stainless steel case, 13.79 mm thick, 47.5 mm from lug to lug. Omega lists the dial as black. Inside is an automatic movement (calibre Omega 8912) with 60 h of power reserve. You also get 600 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 16.8–18.7 cm (6.6–7.4 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
Strengths
- Sapphire crystal resists scratches
- 600 m water resistance
- Screw-down crown helps keep water out
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 42 mm | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 13.79 mm | omegawatches.com · 3 Nov 2026 |
| Lug-to-lug | 47.5 mm | omegawatches.com · 3 Nov 2026 |
| Case material | Stainless steel | omegawatches.com · 3 Nov 2026 |
| Crystal | Sapphire | omegawatches.com · 3 Nov 2026 |
| Bezel | Unidirectional rotating | omegawatches.com · 3 Nov 2026 |
| Water resistance | 600 m | omegawatches.com · 3 Nov 2026 |
| Screw-down crown | Yes | omegawatches.com · 3 Nov 2026 |
| Weight | 177 g | omegawatches.com · 3 Nov 2026 |
Dial
| Dial colour | Black | omegawatches.com · 3 Nov 2026 |
|---|
Movement
| Movement type | Automatic | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Calibre | Omega 8912 | omegawatches.com · 3 Nov 2026 |
| Power reserve | 60 h | omegawatches.com · 3 Nov 2026 |
| Certification | METAS Master Chronometer | omegawatches.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 21 mm | omegawatches.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $9,200 | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | omegawatches.com · 3 Nov 2026 |
| Style (our classification) | Diver | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
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Omega Planet Ocean 215.32.46.21.03.001
Omega Planet Ocean 215.32.46.21.04.001
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Questions about the Omega Planet Ocean 217.30.42.21.01.002
How big is the Omega Planet Ocean 217.30.42.21.01.002?
The case is 42 mm wide, 13.79 mm thick and 47.5 mm from lug to lug.
What movement does the Omega Planet Ocean 217.30.42.21.01.002 use?
It uses the Omega 8912 calibre, a automatic movement with 60 h of power reserve.
Can I swim with the Omega Planet Ocean 217.30.42.21.01.002?
Yes. It is rated to 600 m.
How much is the Omega Planet Ocean 217.30.42.21.01.002?
The US list price was $9,200 on omegawatches.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Omega Planet Ocean 217.30.42.21.01.002 fit my wrist?
By our sizing guide it sits best on wrists of about 16.8–18.7 cm (6.6–7.4 in). Use the fit checker on this page to test your own wrist.
Watch.co is independent and not affiliated with any brand. Brand names are used only to identify products.