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Men's Seiko Prospex dive watch with stainless steel band and orange details, water-resistant up to 3.
Diving watch with ceramic bezel, luminous dial, 300M water resistance, NH35 movement, stainless stee.
Men's Steel Dive Watch with Ceramic Bezel.
Stainless steel dive watch with ceramic bezel and luminous dial.
Luminous dive watch bezel with glow-in-the-dark markers for underwater visibility.

STEELDIVE SD1975C Tuna Can 300M Automatic Dive Watch – NH35

5.0
19 ratings
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Product Description

The STEELDIVE SD1975C is a modern Tuna-style professional dive watch, engineered for extreme underwater performance.
Built around the proven Seiko NH35 automatic movement, this watch combines a monoblock-inspired steel case, ceramic bezel, sapphire crystal, and 300-meter water resistance—delivering serious dive capability with unmistakable wrist presence.


KEY FEATURES

  • Japan NH35 automatic movement (hacking & hand-winding)

  • 300M / 30 Bar water resistance – true dive-ready construction

  • Ceramic unidirectional bezel with super-luminous markers

  • Synthetic sapphire crystal for scratch resistance

  • 316L stainless steel case with Tuna-style shroud design

  • Screw-down crown for enhanced water protection

  • Multiple strap options: steel bracelet or rubber dive strap


TECHNICAL SPECIFICATIONS

Brand: STEELDIVE
Model: SD1975C
Movement: Japan NH35 Automatic
Frequency: 21,600 bph (3Hz)
Power Reserve: Approx. 41 hours
Jewels: 24

Case Material: 316L Stainless Steel
Case Diameter: 47.5 mm
Case Length: 44.0 mm
Case Thickness: 15.0 mm
Lug Width: 22 mm

Crystal: Synthetic Sapphire
Bezel: Ceramic, unidirectional
Crown: Screw-down
Water Resistance: 300 meters / 30 Bar

Lume: C3 / BGW9 / Orange Super Luminous
Weight:
• ~121g (rubber strap)
• ~200g (steel bracelet)


FAQ

Is the STEELDIVE SD1975C suitable for real diving?

Yes. With 300 meters of water resistance, a screw-down crown, and a ceramic unidirectional bezel, the SD1975C is built for professional-level diving and saturation conditions.

What movement does the SD1975C use?

It uses the Japan Seiko NH35 automatic movement, known for reliability, easy servicing, hacking seconds, and manual winding.

Is the crystal sapphire or mineral glass?

The SD1975C features a synthetic sapphire crystal, offering superior scratch resistance compared to mineral glass.

What is a “Tuna Can” watch?

“Tuna Can” refers to a shrouded dive watch design originally developed for extreme depths. It improves shock resistance, crown protection, and overall durability.

Does the bezel click in one direction?

Yes. The ceramic bezel is unidirectional, a critical safety feature for dive timing.

Can I change the strap?

Yes. The watch supports 22mm straps, and is available with steel bracelet or rubber dive strap options.


Related Products

A variety of watch bands to choose from! If necessary, you can contact our customer service.

Shipping & Delivery

SHIPPING

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 5-20 Business days
Canada, Europe 5-20 Business days
Australia, New Zealand 5-20 Business days
Central & South America 5-25 Business days
Asia 5-20 Business days
Africa 5-25 Business days
*This doesn’t include our 1-3 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

RETURNS

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time (45 days not including 1-3 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of jwlraddicts.com (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of jwlraddicts.com.

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Refunds & Returns

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of jwlraddicts.com (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of //jwlraddicts.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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