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The Reservoir Hydrosphere Blue Hole is a stainless steel wristwatch with a blue dial, gauge-inspired markings, and Hydrosphere displayed on its bezel.
The Reservoir Hydrosphere Blue Hole watch features a glowing blue face that displays numbers, the “Hydrosphere” name, and diving indicators in the dark.
The Reservoir Hydrosphere Blue Hole is a silver dive watch featuring a blue dial with colorful, gauge-inspired markings.
The Reservoir Hydrosphere Blue Hole is a stainless steel wristwatch with a blue dial, gauge-inspired markings, and Hydrosphere displayed on its bezel.
The Reservoir Hydrosphere Blue Hole watch features a glowing blue face that displays numbers, the “Hydrosphere” name, and diving indicators in the dark.
The Reservoir Hydrosphere Blue Hole is a silver dive watch featuring a blue dial with colorful, gauge-inspired markings.
The Reservoir Hydrosphere Blue Hole is a stainless steel wristwatch with a blue dial, gauge-inspired markings, and Hydrosphere displayed on its bezel.
The Reservoir Hydrosphere Blue Hole watch features a glowing blue face that displays numbers, the “Hydrosphere” name, and diving indicators in the dark.

Reservoir Hydrosphere Blue Hole

RSV03.HY/130-21.BH 45 mm
View Specs
Regular price $4,800
Starting at /mo or 0% APR with Affirm .

This product is only available within the United States.

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Authorized Luxury Retailer
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Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Authorized Luxury Retailer

Authorized Luxury Retailer

We are an authorized retailer for over 80 luxury watch brands.
Free Expedited Delivery
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Free Expedited Delivery on Orders $100 and Up (Estimated 1-3 Days)

Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for every delivery. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

$15 Flat Fee on Orders Under $100 (Estimated 1 - 2 weeks)

Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services

Free Expedited Delivery

Free Expedited Delivery

We offer free, expedited delivery on all orders over $100.
Simple Easy Returns
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Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

30-Day Returns For All Other Purchases:

All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label.

All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.

Simple Easy Returns

Simple Easy Returns

Purchase with confidence with our simple, free return policy.

Details

Hydrosphere changes diving watch conventions with a single hand on the dial for a radical reading of the time. 45mm, 316L Stainless Steel Case with satin finish, Blue dial, Super-LumiNova white index, magnifier on the jumping-hour window, Self-winding mechanical movement, 37 hours power reserve, Complications: Retrograde minutes, jumping Hour, Power Reserve, Patented proprietary 124-pieces module on ETA 2824-2 caliber, Anti-reflective sapphire crystal, Unidirectional, ceramic rotating bezel with double scale for reading the time at different diving depths before and after the retrograde minute hand’s return, Helium Valve, Screwed back, screw- down crown, watertight up to 250m, 316L stainless steel strap screwed onto the body, brushed finishing with a bladed folding clasp and an extension system and Additional rubber strap included.

General

Condition

New

Brand

Reservoir

Reference

RSV03.HY/130-21.BH

Product Code

18150047

Power Reserve

36 Hours Approx

Features

Automatic movement
Waterproof

Case

Case Size

45 mm

Case Shape

Round

Case Material

Steel

Bezel Material

Ceramic

Bezel Color

Black

Crystal

Sapphire

Dial

Dial Color

Blue

Dial Texture

Plain

Dial Markers

Arabic Numerals

Stone Set

No

Movement

Type

Auto

Bracelet

Type

Bracelet

Stone Set

No

Buckle

Pin