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DEPTH RAINBOW

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Tool-Watches family for professionals

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OX® FROG300 tool-watches are designed for professional use and built for exceptional lives.


Produced in limited numbers, each piece reflects a deliberate and uncompromising approach to tool-watch design.

They are crafted using premium materials and a unique, unconventional architecture, where the crowns are positioned inward within an eccentric case design.
This innovative layout delivers unprecedented comfort for a 45mm professional tool-watch, even in the most demanding conditions.

The OX® FROG300 family is available in two lines, both featuring automatic premium 4Hz calibers and integrated with ID+SYS™ data technology :

The GMT tool-watches line, featuring an independent dual time zone, and the PRO line, a three-hand version focused on delivering fully intuitive and direct legibility.

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ID+SYS™ comes standard with the  OX® FROG300 Diver's watch . And it can assist rescue teams in saving your life.

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©2023–2026 OX OCEANIX WATCHES LTD. ALL RIGHTS RESERVED. DUE TO OUR POLICY OF CONTINUOUS QUALITY IMPROVEMENT, WE RESERVE THE RIGHT TO MODIFY ANY SPECIFICATION WITHOUT PRIOR NOTICE. OX®, OCEANIX®, FROG300®, COSMOBAND©, AND ID+SYS™ ARE REGISTERED TRADEMARKS OF OX OCEANIX WATCHES LTD. ID+SYS™ IS AN INTERNATIONALLY REGISTERED DESIGN AND PATENT PENDING (USA/EU/JP/LATAM). THE FROG300® MODEL DESIGN AND DIVER’S CONFIGURATION ARE INTERNATIONALLY REGISTERED. TRADEMARKS MIYOTA® / CITIZEN MOVEMENT DIVISION® ARE OWNED BY CITIZEN WATCH CO. LTD. OTHER BRANDS SUCH AS US COAST GUARD® AND NASA® ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS AND ARE USED SOLELY FOR INFORMATIONAL OR ILLUSTRATIVE PURPOSES. ©NASA ©PEXELS ©UNSPLASH FOR SELECT BACKGROUND IMAGES. PRODUCT TEXTS AND TECHNICAL INFORMATION MAY CONTAIN ERRORS. DISPLAYED WATCH SIZES ARE NOT SHOWN AT REAL SCALE, AND COLORS MAY VARY SLIGHTLY FROM ACTUAL PRODUCTS. SALES TAX IS INCLUDED IN ALL SHOWN PRICES. DEPENDING ON THE COUNTRY OF PURCHASE, ADDITIONAL CUSTOMS AND/OR IMPORT FEES MAY APPLY; SUCH COSTS ARE THE EXCLUSIVE RESPONSIBILITY OF THE BUYER. OX OCEANIX WATCHES LTD ENSURES SECURE AND EXPEDITED SHIPPING WITH FULL GUARANTEES. OX OCEANIX WATCHES LTD IS A HONG KONG COMPANY, ORIGINALLY FOUNDED IN THE UNITED STATES IN 2023.

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