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It was with OMEGA’s maritime legacy in mind that the brand launched its Planet Ocean line in 2005. The stylish OMEGA Seamaster Planet Ocean 600M Master Chronometer GMT pays homage to OMEGA’s dive watch heritage.
This model, with its scratch-resistant sapphire crystal, features a black ceramic dial with Arabic numerals, a date window at the 3 o’clock position and a central GMT hand. Mounted on the 43.5 mm stainless steel case is the world's first polished bi-ceramic black and white bezel. Here, the numerals and scaling are delivered in contrasting colors to separate night from day.
Other features include an alveol screw-in caseback and a black leather strap with rubber lining.
The OMEGA Seamaster Planet Ocean 600M Master Chronometer GMT is water resistant to 60 bar (600 meters / 2000 feet), and has a helium-escape valve. The OMEGA Master Chronometer calibre 8906 at the heart of this timepiece can be seen through the transparent caseback. To achieve Master Chronometer status, it has passed the 8 rigorous tests set by METAS (The Swiss Federal Institute of Metrology).
We offer free shipping and returns on orders $50+ within the continental US. If expedited shipping is required, please contact us directly at email@example.com or 781.262.5854. Orders over $1,000 will require a signature upon delivery.
Most orders should be delivered within 3-7 days. Unaltered and unworn purchases are eligible for extended holiday returns and exchanges through January 14th, 2023.
Store pickup is available on in-stock items, Tuesday - Saturday. For full details, please visit our Shipping or Returns pages.
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In business for over 140 years in the Boston area
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A+ rating by the Better Business Bureau
The only place I’ll ever buy my jewelry. I’ve purchased an engagement ring, 3 watches, wedding bands, and small employee gifts.
The place to go when it comes to quality jewelry. Not only do they have excellent standards, but also excellent employees.
- Jessica C.
The service, product knowledge and prices are without compare. If you want a quality product with a quality company, go to Long's!
- Chris A.
Easily my favorite jeweler. I have shopped with Long's for over a year and each time I walk in, I've been welcomed by friendly and knowledgeable staff.
Hands down THE BEST customer service experience I’ve had shopping for jewelry. I wouldn’t go anywhere else.
- Jessica M.
There is never pressure to buy, they truly want the customer to be happy with their choice.
- EmaMay A.