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Description
Omega Seamaster 300M -210.30.42.20.10.001Since 1993, the Seamaster Professional Diver 300M has enjoyed a legendary following. Todays modern collection has embraced that famous ocean heritage and updated it with OMEGAs best innovation and design. This 42 mm model is crafted from stainless steel and includes a green ceramic bezel with a white enamel diving scale. The dial is also polished green ceramic and features laser engraved waves and a date window at 6 oclock. The skeleton hands and
Since 1993, the Seamaster Professional Diver 300M has enjoyed a legendary following. Today’s modern collection has embraced that famous ocean heritage and updated it with OMEGA’s best innovation and design.This 42 mm model is crafted from stainless steel and includes a green ceramic bezel with a white enamel diving scale. The dial is also polished green ceramic and features laser-engraved waves and a date window at 6 o’clock.
The skeleton hands and raised indexes are rhodium-plated and are filled with white Super-LumiNova, while the helium escape valve has been given a conical design.
The watch is presented on an adjustable stainless steel bracelet with extra diver extension, and is driven by the OMEGA Master Chronometer Calibre 8800, which can be seen through the sapphire-crystal on the wave-edged caseback.
MOVEMENT
Calibre: Omega 8800 Self-winding movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free sprung-balance with silicon balance spring, automatic
winding in both directions. Rhodium plated finish with Geneva waves in arabesque. Power reserve: 55 hours
CRYSTAL
Domed scratch-resistant sapphire crystal with antireflective treatment on both sides
WATER RESISTANCE
30 bar (300 metres / 1000 feet)
WATCH CASE & DIAL
Case: Steel
Case Diameter: 42 mm
Between lugs: 20 mm
Lug to lug: 49.93 mm mm
Thickness: 13.6 mm
Dial Colour: Green
Total product weight (Approx.): 198 g
BRACELET
Material: Steel
Type of Clasp: Foldover clasp with comfort setting and diver extension
FEATURES
Anti-magnetic, chronometer, date, master chronometer certified, helium escape valve, screw in crown, transparent caseback, unidirectional rotating bezel
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Really nice shoes
Size: 9, Color: Black Polished Full Grain
My husband enjoys wearing these shoes. Very classy looking. They fit well. They arrived quickly. He liked them so much he ordered another pair in a different color which have worked out just as well.
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Reviewed in the United States on February 3, 2026
★★★★★ 4
Penny Loafer
Size: 11 Wide, Color: Burgundy Polished Full Grain
I am ending them bak and will order the sae shoe at size 10 1/2. Most shos I fit are 11 however these were too large. They are a beautiful shoe! I will ofder a 10 1/2
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Reviewed in the United States on January 13, 2025
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect.
Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
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Reviewed in the United States on July 21, 2025
★★★★★ 5
I usually wear 11.5's, but I buy 1/2 size smaller to accommodate for stretch. Leather relaxes.
Size: 11, Color: Burgundy Polished Full Grain
5 STARS: These shoes are awesome. I keep coming back for more. I have major foot problems, have tried all kinds of shoes, orthotics, and inserts... but believe it or not, these shoes work better than any of that stuff. I wear them daily. I buy lots of them, for home, for church, and I'm getting my first pair of J&M boots today, for winters in Indiana... Brrrr
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Reviewed in the United States on December 18, 2025
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
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Reviewed in the United States on February 12, 2026