01The Piece

Discover the Omega Sea Master (2020), where heritage craftsmanship meets timeless style. Crafted in stainless steel, its blue dial brings effortless presence. At 42mm, it balances modern proportion with classic refinement. A ceramic bezel finishes the case with a distinctive character — equally at home in formal and everyday settings.

Included with this watch

  • Original box and papers
  • KettleClub authentication card
  • 12-month KettleClub warranty
  • Free fully-insured UK delivery
  • 7-day return window
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 1
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 2
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 3
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 4
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 5
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 6
Omega 210.30.42.20.03.001 Blue SEA MASTER  42mm 2020 — view 7

The Gallery

Every angle

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The Story

About this Sea Master

Here we have the Omega Seamaster Professional- Blue

This is a 42mm model that comes on a stainless steel bracelet, has a stainless steel case and includes a blue ceramic bezel with a white enamel diving scale. The dial is also polished blue ceramic and features laser-engraved waves and a date window at 6 o’clock.

This watch includes
• Omega box
• Omega warranty cards

This watch has had a full inspection and is in excellent condition.
It was originally purchased in January 2020 and although the Omega warranty has expired we will provide a complimentary 1 year warranty with this watch.

The KettleClub Promise

Every piece, assured.

Authenticated

Every piece is sourced, serviced and inspected in-house before sale.

Insured Delivery

Complimentary fully-insured next-day shipping across the UK.

7-Day Returns

Not the right fit? Return within seven days of receipt.

Visit Our Showroom

View in person by appointment at our London showroom.

Buying with confidence

Frequently asked questions.

  1. Yes — every piece is sourced, serviced and inspected by our in-house specialists before it is listed. Where original papers are present, we verify serial numbers directly against the maison’s records.

  2. Each listing states its full set in the specifications — look for the Box & Papers badge. Pieces without papers are priced accordingly and still carry our full authenticity guarantee.

  3. Absolutely. Tell us what you are wearing and what you are after — we will value your piece within 24 hours and offset it against your purchase, handled door to door with insured collection.

  4. Yes — most pieces can be secured with a deposit, with the balance settled before delivery. The watch is withdrawn from sale the moment your deposit is placed.

  5. Complimentary fully-insured next-day delivery across the UK, signature on receipt. International delivery is available by arrangement — contact us before ordering.