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The Seagull ST1701 is a reliable, self-winding automatic mechanical movement that belongs to the well-known ST17 family. It is a workhorse caliber widely adopted in affordable dress watches and everyday timepieces, known for its stable performance and robust structure. This movement is ideal for watchmakers as a replacement or for DIY enthusiasts looking for a dependable automatic movement for their custom builds.
Self-Winding Automatic Mechanism – Equipped with a bidirectional winding rotor that efficiently charges the mainspring through natural wrist motion.
Manual Winding Capability – Offers the convenience of manual winding as an alternative or supplement to automatic winding.
Small Seconds Sub-Dial – Features a classic small seconds sub-dial located at the 6 o’clock position for an elegant dial layout.
Proven Reliability – Designed with 20 jewels and an Incabloc-style anti-shock system, ensuring durability and stable timekeeping.
Cost-Effective Design – A very affordable movement with controllable maintenance costs, making it a popular choice for both manufacturers and repairers.
| Parameter | Value |
|---|---|
| Manufacturer | Seagull (Tianjin Sea-Gull Watch Group) |
| Model | ST1701 (also known as TY2706) |
| Movement Type | Automatic, self-winding mechanical |
| Functions | Central hours/minutes; small seconds at 6:00; no date; no hacking |
| Diameter | 26.00 mm (max.), 25.60 mm (assembly) |
| Height | 4.65 mm |
| Jewels | 20 |
| Beat Rate | 21,600 bph (3 Hz) |
| Power Reserve | ~36 hours (manufacturer spec) / ~40 hours (typical) |
| Hand-Windable | Yes |
| Anti-Shock | Incabloc-style |
| Country of Manufacture | China (produced since approx. 2001) |
| Unit Quantity | 1 movement per order |
Direct replacement for a worn or damaged ST1701 movement in a variety of dress watches and everyday watches from many microbrands and affordable brands.
Suitable for custom watch builds where an automatic movement with a small seconds sub-dial is required.
Professional watchmaking for routine servicing and independent watch repair.
Q1: Is this a genuine Seagull movement?
Yes, it is a genuine Seagull-manufactured movement, not a generic or cloned copy.
Q2: Does it have a date function or a hacking feature?
No, this version has no date display and does not feature a hacking (stop-seconds) mechanism, which is typical for this particular caliber.
Q3: Is the quality reliable for daily use?
Yes, the ST1701 has a strong reputation for being a robust, accurate, and reliable workhorse movement. Many users report it runs quietly and autowinds efficiently, often achieving accuracy of about +10 seconds per day.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.









