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The Generic Omega Calibre 8800 Winding Stem is a high-quality aftermarket replacement component specifically engineered for the Omega Calibre 8800 automatic movement and its family variants. This precision-machined stainless steel stem serves as the critical mechanical interface between the crown and the movement’s keyless works, enabling manual winding, accurate time-setting, and date adjustment via the crown’s distinct pull-out positions.
As a cost-effective alternative to genuine OEM parts, this generic stem offers professional watchmakers and repair enthusiasts a reliable solution for restoring worn, broken, or damaged original components without the extended lead times or premium pricing associated with factory parts.
Wide 8800 family compatibility – Precision-engineered to fit the Omega Calibre 8800 movement family, including 8800 (standard), 8801 (18K Sedna gold rotor and balance bridge), 8802, 8806 (no‑date version), and 8810, all of which share the same keyless works architecture and winding stem interface.
Three-position crown operation – Supports three distinct crown positions: Position 1 (manual winding), Position 2 (quick‑set date correction), and Position 3 (precise time-setting with seconds hand stop/hacking function).
Premium stainless steel construction – Machined from high-grade stainless steel with precision-ground threads to withstand repeated winding cycles and ensure excellent long-term wear resistance.
METAS Master Chronometer compatibility – Fully compatible with the Co-Axial escapement and METAS-certified anti-magnetic technology (15,000 gauss resistance) of the 8800 movement family.
Drop-in replacement fit – Engineered as a direct-fit substitution for worn or damaged original stems, requiring no modification to the movement’s keyless works or additional calibration.
| Parameter | Value |
|---|---|
| Caliber Family | Omega Calibre 8800 / 8801 / 8802 / 8806 / 8810 |
| Genuine OEM Part Number (reference) | 8800-201 (winding stem) |
| Crown Positions | 3 (winding / date / time-setting with hacking) |
| Material | High-grade stainless steel |
| Movement Diameter | 26.0 mm (11.5‴ ligne) |
| Movement Jewels | 35 |
| Movement Frequency | 25,200 vph (3.5 Hz) |
| Power Reserve | Approx. 55 hours (single barrel) |
| Escapement | Co-Axial |
| Balance Spring | Si14 Silicon, free sprung |
| Anti-Magnetic | Up to 15,000 gauss (METAS Master Chronometer) |
| Origin | Swiss movement design |
| Product Type | Aftermarket replacement part / Generic part |
| Unit Quantity | 1 piece per order |
Replacement of worn, broken, or damaged winding stems during professional servicing of Omega watches powered by Calibre 8800 and its family variants, including Seamaster Diver 300M (42mm references introduced in 2018), Seamaster Planet Ocean 600M (39.5mm references), Seamaster Aqua Terra (38mm references such as 220.10.38.20.03.005), Constellation (36mm references), De Ville Prestige (34mm references), and Speedmaster 38mm references.
Servicing of Calibre 8801 (gold rotor variant found in full gold Seamaster Diver 300M references, e.g. 210.62.42.20.03.001) and Calibre 8806 (no‑date version, notably found in the Railmaster collection), which share the same winding stem interface with the 8800.
Independent watch repair centers and service workshops performing movement overhauls that require disassembly of the keyless works and crown stem replacement.
Restoration of pre-owned Omega timepieces from the 2016–present era where original stem threads are stripped, the stem is bent or broken, crown function is compromised, or the watch exhibits symptoms of worn winding mechanism.
Q1: Is this winding stem an authentic genuine Omega part?
No, this is a generic aftermarket replacement product, not manufactured by Omega. It is designed to meet the compatible specifications for the Calibre 8800 family and should not be confused with genuine OEM components (genuine part number referenced as 8800-201). For routine servicing and daily-wear restoration, a quality generic stem offers a practical and reliable solution; for museum-grade restorations requiring absolute factory authenticity, genuine OEM parts are recommended.
Q2: Which calibers and watch models is this generic stem compatible with?
This generic stem is designed to fit the entire Omega Calibre 8800 movement family, including 8800 (standard, found in Seamaster Diver 300M, Aqua Terra, Planet Ocean 39.5mm, Constellation 36mm), 8801 (gold rotor variant, found in full gold Seamaster Diver 300M), 8802 (caliber variant), 8806 (no‑date version, found in Railmaster collection), and 8810. All share the same keyless works architecture and three-position crown stem system. It is compatible with the vast majority of Omega references equipped with these calibers from 2016 to the present. Always verify compatibility with your specific movement reference before purchase.
Q3: What is the quality of this generic replacement stem?
As a generic aftermarket product, quality can vary between suppliers. Our replacement stems are manufactured from high-grade stainless steel with precision-ground threads and are designed to meet the mechanical specifications for reliable winding, date-setting, and time-setting functions. The Omega Calibre 8800 is recognized for its robust Co-Axial escapement and METAS Master Chronometer precision. For routine servicing, daily-wear restoration, and independent repair work, a quality generic stem from a reputable supplier offers a practical and reliable solution; for absolute factory originality, genuine OEM parts are recommended.
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