Good and quick service
The band is great. It revised my SEIKO as it’s a brand new.
easy to replace and works perfectly. Just a little grease to help it glide
Crystal gasket seiko 7c46 and 7549. Hard to find. Good price.




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Brand: SEIKO
SKU: U7S2624C
Model(s): Compatible with SKX007, SKX009, SKX011, SKX013, SKX031
Case Number(s): Compatible with 7S26-0020
Color: Gray
Material: Brass & Steel
Size: 27.4 mm
Country of Origin: Japan
HS Code: 9114.90
This is the original Automatic Movement for the Seiko 7S26 - SKX007, 009, 011, 013, 031 & 171 Diver
This movement has 'Japan' engraved.
This movement only includes the standard date wheel.
Check the related products for other date / day wheels.
This watch part is compatible with the following model numbers:
SKX007, SKX009, SKX011, SKX169, SKX171, SKX173, SKX175, SKX399, SZEN005, SKXA35, SKXA53, SKXA55, SKXA63, SKXA65
This watch part is compatible with the following watch case numbers:
7S26-0020, 7S26-0028, 7S26-0029, 7S26-02K0, 7S26-04N0, 7S26-7020, 7S26-7029,
The Seiko 4408171 plastic dial spacer ring is standard included with this movement.
Product specifications:
Brand: Seiko
Article number: U7S2624C
Type: Automatic
Color: Grey,
Size:
Diameter: 27.4 mm
Thickness: 4.9 mm
Condition: New sealed
Related watch parts:
| Material | Estimated Percentage (%) | Used Components |
|---|---|---|
| Brass | 40-50% | Mainplate, bridges, gears, rotor (with coating) |
| Steel (stainless & hardened) | 30-40% | Escape wheel, screws, mainspring barrel, balance staff, pallet fork, gear axles |
| Spron (Seiko's special alloy) | 5-10% | Balance spring |
| Synthetic rubies | 1-2% | Jewels to reduce friction |
| Nickel / other coatings | 5-10% | Protective layer on brass components |
| Plastics / composite materials | 1-5% | Possibly for small components such as click springs and some bushings |
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PRODUCT SPECIFICATIONS
A purchase of a genuine / original SEIKO spare part is a crucial investment in your watch for the future
Original SEIKO watch parts often sell out quickly. Reserve the essential parts today to safeguard your watch's financial and emotional value for the future.

Why buy a genuine / original Automatic Movement from SEIKO at Watch-Plaza?
✔️ Original SEIKO products are renowned for their high quality and provide long-term durability
✔️ These products are 100% compatible with the associated watches.
✔️ Original, also known as authentic, is therefore a good and reliable choice, especially considering the ethical and integrity standards in society

Even more reasons to order now!
➤Still available at our watch store—don’t miss out!
➤ This item may soon sell out or go out of production, meaning it could no longer be available in the near future
1 to 21 days (varies by shipping method)
30-day return window
Need help?
About this product
The article number is: U7S2624C
The color is Gray
The material is Brass & Steel
The size is 27.4 mm
Yes, the compatible model numbers are SKX007, SKX009, SKX011, SKX013, SKX031