Omega Seamaster Ploprof 1200M 904L Steel Black Dial Automatic Watch

Omega Seamaster Ploprof 1200M clone in 904L steel with black dial and rubber strap. Caliber 8500 automatic, 60-hour reserve, 30m water-resistance tested. Not for swimming.

Highlights:

• 904L steel case and bezel
• Caliber 8500 automatic, 60-hour reserve
• 55 x 48mm, 16.60mm thick
• Black dial with stick indices
• Rubber strap and deployant clasp
• 30m water-resistance tested
• Unbox and check serial cards and warranty paperwork.
• Wind 20-30 turns or wear daily to build reserve.
• Adjust rubber strap links for a snug wrist fit.
• Wipe case and crystal with a soft dry cloth.
• Rinse rubber strap with fresh water after heavy sweat.
• Do not swim or dive despite pressure testing.
• Omega's Seamaster line has defined professional dive watch design since the Ploprof era, prioritizing legibility, case protection, and reliable automatic movements.
• This replica follows that design intent with 904L steel, sapphire crystal, and a tested case, offering collectors the original silhouette and wear experience.
• Verified Buyer — Marcus T. The 904L steel case feels heavier than my 316L watches. Wore it to the office all week and the rubber strap stayed comfortable.
• Verified Buyer — Elena R. Got the Swiss movement version. The sweep second hand is smooth and it has kept time within a few seconds daily.
• Verified Buyer — David L. Wore it on a beach trip for photos only, no swimming. The black dial and bezel look sharp in sunlight.
• Verified Buyer — Priya S. Fits my 7.5-inch wrist after adjusting the links. The deployant clasp snaps firmly and feels secure.
• Verified Buyer — James O. Compared it to my brother's genuine Ploprof. Case shape and dial printing look right; the rubber strap is a bit stiffer at first.
• Verified Buyer — Sofia M. Bought it for my husband's birthday. He says the 55mm size wears big but balanced thanks to the strap design.
• Verified Buyer — Nathan K. Japanese movement version arrived quickly. Keeping good time after two weeks of daily wear in a warehouse job.
• Verified Buyer — Aisha B. The sapphire crystal has stayed scratch-free after a month of desk use. Clasp and case finishing are clean.
• How do I clean the rubber strap?
• Wipe with a damp cloth and mild soap, then dry fully. For a weekend-ready diver option, see this Seamaster Diver 300M two-tone as an alternative strap reference.
• Can I swim with this watch?
• No. It passed a 30m pressure test but is not recommended for swimming, showering, or diving.
• How often should I service the automatic movement?
• Every 4-6 years under normal wear. Avoid magnets and hard impacts to protect the Co-Axial escapement.
• What is the difference between Swiss and Japanese versions?
• Movements and some materials differ. Confirm your configuration with support before ordering.
• How do I store the watch when not worn?
• Keep it in a dry case away from sunlight. Wind monthly to maintain lubrication circulation.

Case Construction and 904L Steel

The Ploprof 1200M uses 904L stainless steel for both case and bezel, a marine-grade alloy known for superior corrosion resistance compared to standard 316L steel. The 55 x 48mm case measures 16.60mm thick with a sapphire crystal. Every surface is finished to match the original profile, including the signature monobloc case design and the crown guard structure that defines this dive watch family.

Movement and Tested Specifications

Swiss-mechanism versions run an automatic Caliber 8500 with Co-Axial escapement, a 60-hour power reserve, and -3/+3 sec/day precision within COSC limits. The sweep second hand moves smoothly. Japanese-mechanism versions differ in movement and materials; verify which configuration you are ordering before checkout. The watch has passed a 30m water-resistance pressure test, though it is not recommended for swimming or diving.

Real-World Wear and Feel

At 55mm wide the Ploprof is a statement piece on the wrist, built for collectors who want the unmistakable dive-instrument silhouette. The rubber strap with deployant clasp sits comfortably during daily office wear, weekend casual use, or travel, while the black dial with stick indices and sword hands stays legible in low light. The adjustable links let you dial in fit across wrist sizes.

Buying Considerations and Warranty

Confirm your movement choice (Swiss or Japanese) and inspect the clasp and rubber strap on arrival. Each watch includes arrangeable serial numbers and cards, with matching font and finishing on dial markings. United Luxury provides a full 2-year international warranty. Pair it with a Planet Ocean 600M clone if you prefer a smaller 43.5mm diver for daily rotation.

Design Value for Collectors

The Ploprof's oversized case, black bezel, and rubber strap deliver the same visual presence as the original at a fraction of the cost. The 904L steel construction and sapphire crystal support long-term durability, while the automatic movement removes battery concerns. It suits buyers who want an authentic-looking dive watch without the collector-market premium.

Product Specifications：

Mechanism: Swiss

Price Range：

$950.00

Specifications & Care:

How do I clean the rubber strap?

Wipe with a damp cloth and mild soap, then dry fully. For a weekend-ready diver option, see this Seamaster Diver 300M two-tone as an alternative strap reference.

Can I swim with this watch?

No. It passed a 30m pressure test but is not recommended for swimming, showering, or diving.

How often should I service the automatic movement?

Every 4-6 years under normal wear. Avoid magnets and hard impacts to protect the Co-Axial escapement.

What is the difference between Swiss and Japanese versions?

Movements and some materials differ. Confirm your configuration with support before ordering.

How do I store the watch when not worn?

Keep it in a dry case away from sunlight. Wind monthly to maintain lubrication circulation.