---
description: Genuine Seagull ST1701 automatic mechanical movement. 26mm, 20 jewels, small seconds, 21,600 bph. Ideal for repair or custom builds.
title: Seagull ST1701 Mechanical Movement - Sofly
image: https://www.soflypart.com/wp-content/uploads/2023/10/T17-movement.jpg
---
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- **Seagull ST1701 Mechanical Movement**
[](https://www.soflypart.com/wp-content/uploads/2023/10/T17-movement.jpg)
[](https://www.soflypart.com/wp-content/uploads/2023/10/T17-movement-C.jpg)
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# Seagull ST1701 Mechanical Movement
$28.00
You Saved
| Brand | Choose an option China Movement- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $28.00 |
| 3 - 4 | 5% | $26.60 |
| 5 - 9 | 7% | $26.04 |
| 10+ | 10% | $25.20 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $28.00 |
| 3 - 4 | 5% | $26.60 |
| 5 - 9 | 7% | $26.04 |
| 10+ | 10% | $25.20 |
Seagull ST1701 Mechanical Movement quantity
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## Product Description
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.
## Features & Function
- **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.
## Specifications
| 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 |
## Applications
- 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.
## Frequently Asked Questions
**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.
## Why Choose SOFLY Watch Parts?
- 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 **info@soflypart.com** or WhatsApp **+86 18620212114**.
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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. Features & Function Self-Winding Automatic Mechanism\u00a0\u2013 Equipped with a bidirectional winding rotor that efficiently charges the mainspring through natural wrist motion. Manual Winding Capability\u00a0\u2013 Offers the convenience of manual winding as an alternative or supplement to automatic winding. Small Seconds Sub-Dial\u00a0\u2013 Features a classic small seconds sub-dial located at the 6 o\u2019clock position for an elegant dial layout. Proven Reliability\u00a0\u2013 Designed with 20 jewels and an Incabloc-style anti-shock system, ensuring durability and stable timekeeping. Cost-Effective Design\u00a0\u2013 A very affordable movement with controllable maintenance costs, making it a popular choice for both manufacturers and repairers. Specifications 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 Applications 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. Frequently Asked Questions 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. Why Choose SOFLY Watch Parts? 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. 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Small Seconds Sub-Dial\u00a0\u2013 Features a classic small seconds sub-dial located at the 6 o\u2019clock position for an elegant dial layout. Proven Reliability\u00a0\u2013 Designed with 20 jewels and an Incabloc-style anti-shock system, ensuring durability and stable timekeeping. Cost-Effective Design\u00a0\u2013 A very affordable movement with controllable maintenance costs, making it a popular choice for both manufacturers and repairers. 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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. Why Choose SOFLY Watch Parts? 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. 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