Citizen
Citizen Promaster Professional Diver 300 BJ8055-04X

Product Information
Overview
The Citizen BJ8055-04X (Item number: BJ8055-04X) is a robust and powerful diver's watch that combines striking design with technical performance. It features a large 48 mm stainless steel case and a distinctive green dial that catches the eye. The black strap made of durable plastic material and the rotating bezel provide a sporty look and practical function. Built to withstand demanding environments, the watch is perfect for both land and water.
Comfort
The Citizen BJ8055-04X offers a high level of comfort thanks to its flexible plastic strap, which is 26 mm wide and adapts smoothly to the wrist. Despite its robust design, the watch weighs only 180 grams, making it stable without feeling heavy. This makes it comfortable to wear both during long dives and in everyday life.
Summary
The Citizen BJ8055-04X combines durability, technical precision and a sporty aesthetic in an impressive diver's watch. With its high water resistance of 30 bar and reliable Japanese quartz movement, it is ideal for adventurers and divers who need a reliable watch for both extreme conditions and everyday life. Its green dial and robust design make the watch a stylish and functional choice for those who want both style and performance.
Measurements & Material
- Strap material
- Rubber
- Diameter
- 48 mm
- Width of bracelet
- 26 mm
- Thickness
- 18 mm
- Glass
- Mineral
- Clockwork
- Quartz
Design & Style
- Case color
- Black
- Color of strap
- Black
- Dial color
- Green
- Style
- Sport
- Target group
- Men’s
- Water protection (ATM)
- 30
- Trademark
- Citizen
Technical details
- Power reserve
- 180 dagar
- Features
- Date
- Solar-powered
Delivery
For some products, the delivery time is 1–2 business days. Orders placed before 3:30 PM on weekdays are usually shipped the same day and delivered the next business day, depending on your location in the country. For other products, the estimated delivery time is 3–6 business days.
Returns
We want you to feel completely confident when shopping with us. That's why we offer a 30-day right of return from the day you receive your order. If you change your mind about your purchase or if the watch doesn't meet your expectations, you can easily return it for an exchange or refund. For returns, you will conveniently receive a QR code to use for the return process. Read more about the terms and conditions here.
All watches at Kronura come with a minimum 2-year warranty.
What if the watch stops working?
When you shop at Kronura, you can feel secure – we handle the entire warranty process from start to finish. Should anything unexpected happen to your watch during the warranty period, you only need to contact us, and we will take care of the rest.
1. Contact us via email at (Support@kronura.se). Describe the fault as clearly as possible and attach images if possible.
2. Wait for a response from our customer service team, who will get back to you within 1–2 business days with further instructions.
3. We manage the process – Kronura arranges for the watch to be sent to the brand's authorized service center.
4. Resolution and feedback – you will be notified by us when the matter is resolved and the watch has been repaired, replaced, or rectified according to the warranty terms.
Do you need help? We're here for you.
Please contact us if you have questions about:
- Your order
- Products and availability
- Delivery or returns
- Warranty and complaints
- Care and maintenance of your watch
Frequently asked questions
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When your order ships, you will receive a tracking number via email. Delivery is made with Postnord and can be tracked directly on their website.
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We have a watch guide on our website that helps you choose the right size based on your wrist size and personal style.
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Yes, we offer installment payments via Klarna, allowing you to pay at your own pace and feel secure throughout the entire purchase.

