






Seiko Automatic Watch - Seamaster 300
Tax included.

Seamaster 300
Celebrate the timeless design of the Seamaster 300 with this tribute automatic watch , a piece that perfectly embodies modern elegance and horological performance . Inspired by an iconic model, it stands out with its clean aesthetics and balanced design, ideal for any occasion.
Its refined dial , luminous markers, and perfectly proportioned case offer optimal legibility and exceptional comfort on the wrist. Powered by a Seiko automatic movement , this watch guarantees reliable precision and exceptional durability.
Combining style and technical expertise , this watch is perfect for watch enthusiasts seeking a timeless piece that is both distinguished and functional . Whether for a formal or casual outfit, it will enhance your look with a touch of class and sophistication.
Features:
- Movement : NH35 Seiko automatic 24 jewels with quick date setting, manual winding and hacking function.
- Case : Solid stainless steel Seamaster style case, 41.5 mm diameter.
- Glass : Sapphire glass on top.
- Background : Transparent case back.
- Bracelet : Brushed and polished stainless steel bracelet with machined clasp.
- Crown : Screw-down crown (note that the crown at 10 o'clock is purely decorative).
- Water resistance : extends up to 50 meters.
- Warranty: 2 years
- Seiko movement.
- Sapphire crystal.
Your Chrono122 watch is designed to withstand everyday conditions : rain, splashes, light humidity… no worries for normal use.
However , if you plan to expose it to more demanding situations, such as swimming or prolonged immersion, be sure to be vigilant:
⚠️ Always remember to screw the crown back on tightly before use to ensure watertightness and protect the movement from any water infiltration.
Chrono122 is among the leaders in France in the creation of personalized automatic watches .
Located in northern France, our workshop hand-assembles each component to create unique watches, crafted with care and precision.
We offer the best quality/service/price ratio on the market , supported by a responsive local team and more than 200 satisfied customers .
With Chrono122 , you are guaranteed to receive a custom-made watch , true to your expectations, delivered within 48 hours for models in stock and within 15 days for personalized creations.
- Home delivery: within 48 hours, fee applies.
- Delivery to a collection point: Free, 3 to 6 days.
Delivery within 48 hours
French Workshop
2-year warranty
FAQ
Frequently Asked Questions
What is a Seiko mod?
A Seiko Mod is an authentic Seiko watch that has been customized with high-quality watch components (dial, hands, bezel, etc.). It's a unique watch, designed for enthusiasts who are looking for a distinctive design.
Is it legal to buy a modified watch?
Absolutely! Buying a modified Seiko isn't illegal, especially if the seller is transparent about the modifications. As long as the watch is clearly sold as a modified watch and not an original model, you have the right to buy it without worry.
Are the watches you sell authentic?
Yes, all our watches are equipped with a Seiko movement made in Japan, guaranteeing exceptional quality and precision. Furthermore, our designs are inspired by luxury watches from renowned brands, combining elegance and sophistication to satisfy even the most discerning tastes.
Are they guaranteed?
All our models come with a 2-year warranty.
Customer service is available 24/7, by email, phone, or via the website's chat box.
Are you affiliated with Seiko?
No. Chrono122 is not affiliated with Seiko. We use this brand only to describe the origin of the components used in our creations.
What are the delivery times?
- Home delivery within 48 hours (charges apply).
- Delivery to the collection point in 3 to 6 days.
- For pre-orders, the delivery time can be up to 15 days .
