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NEW RELEASES
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Seiko 6R35 Automatic Watch Movement – CT537
$285.00 – $292.00 Select options This product has multiple variants. The options may be chosen on the product page -
Seiko 4R36 4R36A Automatic Watch Movement Day/Date – CT532
$88.00 – $106.00 Select options This product has multiple variants. The options may be chosen on the product page -
SRP Turtle Skydome MOAB Sapphire Crystal – CT075 Limited Quantity
$75.00 Select options This product has multiple variants. The options may be chosen on the product page -
Low Single Dome Sapphire Crystal – SNZH51+ SKA367+ SBCZ025 – CT034
$38.00 Select options This product has multiple variants. The options may be chosen on the product page
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TOP RATED PRODUCTS
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SKX007/SRPD/SSK GMT Double Dome Sapphire Crystal For Sloping Bezel Inserts – CT037CIS
$48.00 Select options This product has multiple variants. The options may be chosen on the product page -
SKX007/SRPD/SSK GMT Double Dome Sapphire Crystal For Flat Bezel Inserts – CT037F
$45.00 Select options This product has multiple variants. The options may be chosen on the product page -
Seiko (SII/TMI) NH35 Automatic Movement – CT501
$64.00 – $69.00 Select options This product has multiple variants. The options may be chosen on the product page -
Seiko 5 SNK Double Dome Sapphire Crystal – 30mm – CT063
$40.00 Select options This product has multiple variants. The options may be chosen on the product page -
SKX007/SRPD Flat Sapphire Crystal – CT025
$38.00 Select options This product has multiple variants. The options may be chosen on the product page
CASES
build your dream watch-
Vostok Conversion Case – Modtok Collaboration – CT727
$95.00 Select options This product has multiple variants. The options may be chosen on the product page
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OUR BLOG
2025 Pricing Update
Focus On Quality at Sustainable Prices: We have always and will continue to price our products at sustainably low prices without…
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Thank you! 2025 Outlook & Focus
We want to start off by thanking each and every one of you who have supporting Crystaltimes over the last…
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Seiko Mod Configurator: Discontinued
Updated 11/22/24 We want to start off by thanking each and every one of you that helped us test, roll…
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Watch Builder Magazine
Check out the very first ever Watch Builder Magazine! Crystaltimes is featured in this new digital magazine for watch builders…
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Crystaltimes USA: Your Seiko Modding Partner
Crystaltimes specializes in the design and manufacture of Seiko Mod Parts. We've been producing parts for the Seiko Mods Community since 2012, and have 30+ years of product development experience. Our Mission: Provide you with the highest quality watch mod parts to build your dream watch, and give you a world class customer experience. Shop the largest selection of Seiko Modification parts in the United States. All parts are stocked and shipped from Irvine, California. Read More
FOUNDED ON QUALITY. BUILT ON SERVICE.
50,000+ HAPPY MODDERS SINCE 2012.