Royal Coster Diamonds Size	MM / INCH (Circumference)
	48 / 1.89	48 4½ I½ 8
	49 / 1.93	49 4¾ J¾ 9
	50 / 1.97	50 5½ K 10
	51 / 2.01	51 5¾ L 11
	52 / 2.05	52 6 L½ 12
	53 / 2.09	53 6¼ M½ 13
	54 / 2.13	54 6¾ N½ 14
	55 / 2.17	55 7¼ O 15
	56 / 2.20	56 7½ P 16
	57 / 2.24	57 8 P½ 17
	58 / 2.28	58 8¼ Q½ 18
	59 / 2.31	59 8¾ R 19
	60 / 2.36	60 9 S 20

Discover your ring size
1. Download the pdf document below, set it to 100% and print it on A4 paper. You can measure the 5cm line to check the accuracy of the printed dimensions. 2. Check which circle matches the size of your ring. Make sure that the black circle is only visible within the ring. 3. If the ring is in between two circles (sizes), we recommend the larger size.
1. Download the pdf document below, set it to 100% and print it on A4 paper. You can measure the 5cm line to check the accuracy of the printed dimensions. Then, cut out the Finger Sizer. 2. Cut the small gold line. Wrap the sizer around the largest part of your finger and make sure it is tightened. 3. Read your ring size from the sizer. If your ring size is in between two circles (sizes), we recommend the larger size.

True Automatic 40mm
The Rado True Automatic 40mm combines modern, minimalist design with Swiss automatic watchmaking in a 40 mm case of lightweight high-tech ceramic.

Automatic movement
The watch is powered by a Swiss automatic movement that winds itself through the natural motion of the wrist, so battery changes are never needed.

Master of Materials
Rado is known as the Master of Materials, pioneering the use of high-tech ceramic in watchmaking for its lightness, scratch resistance and comfort on the wrist.

Specifications
Brand: Rado
Collection: True
Case diameter: 40.0 mm
Movement: Automatic
Time display: Analog

Royal Coster Diamonds
Royal Coster Diamonds offers a curated selection of fine watches alongside its diamond and jewelry collections, with each timepiece carefully inspected, securely packaged, and insured during shipment.

True Automatic 40mm

Rado

SKU: 4520603 REFERENCE: R27056152

Price on request

Unit price: per

Insured international shipping

More than 180 years of experience

Pay in installments with Klarna

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Certified by Coster

True Automatic 40mm
The Rado True Automatic 40mm combines modern, minimalist design with Swiss automatic watchmaking in a 40 mm case of lightweight high-tech ceramic.

Automatic movement
The watch is powered by a Swiss automatic movement that winds itself through the natural motion of the wrist, so battery changes are never needed.

Master of Materials
Rado is known as the Master of Materials, pioneering the use of high-tech ceramic in watchmaking for its lightness, scratch resistance and comfort on the wrist.

Specifications
Brand: Rado
Collection: True
Case diameter: 40.0 mm
Movement: Automatic
Time display: Analog

The most trusted diamond house since 1840.

The most trusted diamond house since 1840.

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All our jewelry comes in our signature blue box with a classic yellow ribbon.

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The most trusted diamond house since 1840.

The most trusted diamond house since 1840.

The art of giving

All our jewelry comes in our signature blue box with a classic yellow ribbon.

Get In Touch

View in Store

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Discover your ring size
Measure an existing ring	Measure your finger
1. Download the pdf document below, set it to 100% and print it on A4 paper. You can measure the 5cm line to check the accuracy of the printed dimensions. 2. Check which circle matches the size of your ring. Make sure that the black circle is only visible within the ring. 3. If the ring is in between two circles (sizes), we recommend the larger size.
1. Download the pdf document below, set it to 100% and print it on A4 paper. You can measure the 5cm line to check the accuracy of the printed dimensions. Then, cut out the Finger Sizer. 2. Cut the small gold line. Wrap the sizer around the largest part of your finger and make sure it is tightened. 3. Read your ring size from the sizer. If your ring size is in between two circles (sizes), we recommend the larger size.

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Find Your Ring Size

Discover your ring size

Still not sure about your size?

Your Enquiry

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DROP A HINT

Sender

Recipient

True Automatic 40mm

Customer reviews

The most trusted diamond house since 1840.

The most trusted diamond house since 1840.

The art of giving

All our jewelry comes in our signature blue box with a classic yellow ribbon.

Get In Touch

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