Bayer 405M


Tax included.

This limited edition Bayer 405M timepiece showcases the excellence of German engineering. Each individual watch created with a vision to remind you of your own engineering masterpiece.
Our precision craftsmanship derives the highest quality timepieces, created from deep surface hardened stainless steel giving the piece a polished scratch resistant finish.
Water Resistant - 30 M / 3 ATM water resistance.
Scratch Proof - Sapphire scratch proof glass.
Butterfly Clasp - Custom stainless steel butterfly clasp.
Adjustment Tool - To easily add and remove links. 

Color: Bayer 405M | Red
Gyro (Dial/Face Spins):

Only 2 left in stock.


Our movements are assembled in Japan using only the highest-grade components, enabling us to ensure exceptional quality.The production of high-quality movements is made possible by high-speed automatic assembly lines which were developed in-house through the extensive knowledge and experience of our engineers.


The case and band are made from surface hardened and polished stainless steel giving the watch a flawless finish. Sapphire scratch resistant glass is used to protect the embossed metal caliper detail of each exquisite timepiece.This also allows for the 30M / 3 ATM waterproof rating, meaning the watch can withstand splashes and other occasional contact with water such as rain.


Case: 43mm / 12mm
Strap: 18-22cm / 20mm
Material: Stainless Steel

Movement: Japanese Quartz
Water Resistance: 30M / 3 ATM

The length of the strap can be resized using the adjustment tool included in the box.

How long is the shipping time?
US and UK orders will be shipped via USPS & Royal Mail and International orders will be delivered via the relevant regional postal service.
  • Average transit times to the United States: 3 - 14 days.
  • Average transit times to the United Kingdom: 7 - 14 days.
  • Average transit times for International: 10 - 45 days (depending on country).

For any other questions, contact us via Live Chat!
Live Chat is available 24 hours a day and is on our Contact Us page.

Customer Reviews
4.8 Based on 50 Reviews
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Filter Reviews:
Frederick P.
Amaaazing peice for the money !

Pretty classy, well-designed, stylish watch. While it doesn't feel like a Seiko or even a Nixon it is a very solid piece for the money. Very stylish. Several colors available... At that price, you can get one for every outfit of the week. Anyways, I was very pleasantly surprised. Looks good on the wrist. Really good! Check out the pictures

RSChrono Bayer 405M ReviewRSChrono Bayer 405M Review

Hi Frederick, Thank you so much for the detailed review and great pictures. We're so glad you like the watch. Kind regards, RSChrono

Lewis C.
Quality is top notch. Much better than I was expecting.

Absolutely gorgeous. So much better than I was expecting. Absolutely no corners cut, no plastic, real steel, quality backplate. The dial and motion is very smooth. Really love the watch and I'm glad I took a chance on it. The only question I would have would be concerning waterproofing however I don't intend on testing it.

RSChrono Bayer 405M Review

Hi Lewis, Thank you for the positive review. All of our pieces are 30M/3ATM water resistant so it will withstand some significant splashes but it is not fully waterproof unfortunately. It is definitely something we are working on in future models though as this is so requested! Kind regards, RSChrono

Lora M.
Perfect Quality and Condition!

Purchased as a wedding accessory for my fiancé and he loved it so we’re getting them for groomsmen gifts as well. Looks expensive and the yellow accent goes with our wedding decor. Fits well too which is usually a challenge since my fiancé has a larger wrist.

RSChrono Bayer 405M Review

Hi Lora, Thank you for the great review! We're so glad your fiancé loves the watch and are sure the groomsmen will love their pieces too. Congratulations on the wedding! Kind regards, RSChrono

Samuel J.
Super clean watch

The image doesn't do the actual watch justice. The first time I put it on I couldn't stop looking at the time.

RSChrono Bayer 405M Review

Hi Sam, Thank you for the great review. Kind regards, RSChrono

Ashley W.
Great watch

I got this as a gift for my fiancé for our anniversary! He absolutely loved this watch! I love that it came nicely packaged and came in a very nice and heavy duty box! The watch fit him perfect and there was an adjustment tool in the box for him to find the perfect size. I love the red and black colors, they look super sharp! The watch is not super heavy. I like that the face of the watch is not overly huge or super small. The watch is very good quality and feels made very well. I like that there is not a lot going on in the face of the watch. It makes the watch very easy to read and looks clean. I think it is awesome that it is water resistant. I am overall really impressed with this watch and so happy that my fiancé loves it.

RSChrono Bayer 405M Review

Hi Ashley, Thank you so much for the positive and detailed review. We're glad you're impressed with the watch and hope that it hasn't set the bar too high for future anniversary gifts! Kind regards, RSChrono

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