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The first Sea-Dweller, the Reference 1665, debuted in circa 1967 and was designed with saturation divers in mind. The key differentiator between a Sea-Dweller and its little sibling, the Submariner, is that the SD always has a helium escape valve (or 'HEV') on the left case profile and a higher domed crystal with no cyclops magnifier. The earliest prototypes were actually Submariners with the added HEV on the left case profile, but it was the 1665 that first bore the Sea-Dweller name on the dial.
The piece that we have here comes from the very end of production prior to being replaced by the subsequent Ref. 16660. These pieces feature what we call 'rail dials' for the spacing between the unusual spacing within the "superlative chronometer officially certified" text on the lower half of the dial. While not unique to this reference, these only turn up from a small serial number range and are worthy of the recognition.
Dating to circa 1978, this piece remains in excellent overall condition. The case has been very lightly polished at a previous time, with preserved factory proportions and showing normal signs of wear throughout. The bezel assembly is seemingly unpolished, with crisp finishing and a correct 'fat font' inset that has begun to change to a deep navy blue color. Inside, the matte black dial is beautifully preserved, with a clean surface, excellent text, and gently patinated Tritium plots throughout and a beautifully matching handset. It comes fitted to its correct Oyster bracelet with a signed fliplock clasp.
Sea-Dwellers are amongst first 'enhanced' dive watches made for saturation diving with a number of technical firsts, were produced in far smaller numbers than its Submariner and Submariner Date siblings, and feature a very similar wearing experience, yet, we think, remain bargains.
This example surely has multiple lifetimes left of wrist time, and is ready for its next owner.
Condition Report & Details
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Shipping, Returns, & Warranty
Every Oliver & Clarke timepiece comes with a one-year mechanical warranty starting from the date of delivery. We ensure all watches are in wonderful working condition and are ready for daily wear. Many have been fully serviced by our team of watchmakers.
Please note:
- Due to the vintage or antique nature of many of our watches, they may not keep time as accurately as when new, nor as precisely as quartz or electronic devices.
- We do not guarantee water resistance and do not warranty against moisture or water damage. Deliberate exposure to water or steam is not recommended.
- Warranty does not cover internal or external damage caused by accidents, mishandling, abuse, modifications, or services performed by anyone other than our authorized personnel.
- Our warranty is non-transferable.
The Oliver & Clarke Guarantee
At Oliver & Clarke, we meticulously vet each watch to ensure its authenticity and quality. Your satisfaction is our top priority, and our mission is to help you find the perfect timepiece. If you have any questions, we are here to assist you promptly.
Our Guarantee:
- Each timepiece is thoroughly evaluated, authenticated, and approved by our expert team before it is offered for sale.
- We guarantee the period-correctness of all components unless otherwise stated.
- The authenticity of each watch is guaranteed in perpetuity.
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