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Great transaction with Watch Plaza. Item purchased is exactly as described. Fast Shipping topped off a very pleasant experience
Seiko 7S26 Automatic Movement Japan - SKX007, 009, 011, 013, 031 & 171 Diver U7S2624C
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PRODUCT SPECIFICATIONS
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 / Calibre 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 movement / caliber is compatible with the following model numbers:
SKX007, SKX009, SKX011, SKX169, SKX171, SKX173, SKX175, SKX399, SZEN005, SKXA35, SKXA53, SKXA55, SKXA63, SKXA65
This movement 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
Related watch parts:
Estimated Material Composition of the Seiko 7S26 Movement:
| 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 |
Explanation of the Composition:
- Brass is the most commonly used material, particularly for the mainplate, bridges, and gears, as it is easy to machine and has good wear resistance.
- Steel is widely used in moving and high-wear components, such as the balance staff, pallet fork, and mainspring barrel.
- Spron is a special alloy developed by Seiko for the balance spring, essential for the accuracy and reliability of the movement.
- Synthetic rubies are used in small amounts as bearings to reduce friction and extend the lifespan of the movement.
- Nickel coatings are applied to brass parts to provide corrosion resistance and a polished finish.
Technical Details (PDF)
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Seiko 7S26 Automatic Movement Japan - SKX007, 009, 011, 013, 031 & 171 Diver U7S2624C
Sale price$93.00
Regular price$147.00
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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
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1 to 21 days (varies by shipping method)
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