When you walk into a professional watch repair shop, there's one piece of equipment that works quietly in the background but makes everything else possible — the ultrasonic watch cleaning machine. It is the unsung hero of every service center: parts get cleaned first, and only then can waterproof testing, timing calibration, and final assembly proceed with confidence.
Biaojiang is a China-based precision instrument manufacturer that has spent years perfecting equipment for the watch service industry. Their full-automatic ultrasonic watch cleaning machine line includes three distinct models — SE, Basic, and PRO — each designed for a different level of professional demand. This guide breaks them all down so you can find the right fit.
Core Technology: What All Three Models Share
Before diving into individual models, it's worth understanding the common foundation beneath every Biaojiang cleaning machine:
- Ultrasonic Cleaning via Cavitation: High-frequency sound waves generate microscopic bubbles in cleaning solution that implode on surfaces, safely dislodging oils, debris, and micro-particles from movement components, cases, and bracelets — without damaging delicate parts.
- Fully Automated Workflow: Load parts → press one button → cleaning completes → rapid drying kicks in. The entire cycle runs automatically, reducing manual intervention significantly.
- Two Types of Baskets for Choice: Standard metal basket (durable, built for daily high-volume use) and an advanced polymer mesh basket (lightweight, non-conductive, and gentle on delicate components) available based on your needs.
Side-by-Side: SE vs Basic vs PRO
**Positioning** | Balanced Choice | Professional Entry | Flagship Performance |
**Ultrasonic Power** | Multi-frequency | Multi-frequency | 330W |
**Core Frequency** | Multi-frequency | Multi-frequency | 40kHz |
**Cleaning Tank Setup** | 4 jars | 4 jars | 4 jars (1 stainless + 3 glass) |
**Rotating Cleaning** | ✅ Dual-direction alternating | ✅ Dual-direction alternating & Vertical Cleaning | ✅ Dual-direction alternating & Vertical Cleaning |
**Cleaning Efficiency Boost** | — | — | 80% |
**Drying System** | ✅ Fast drying | ✅ Fast drying | ✅ Adjustable temperature |
**Machine Weight** | 23kg | 36kg | 53kg (heavy-duty base) |
**Frame Material** | Metal + Additive Manufacturing | Full aluminum alloy | Full aluminum alloy |
**Emergency Stop Button** | ✅ | ✅ | ✅ |
**Best For** | Freelance/Startups | Pro repair shops | Large service centers |
**Price Range** | ~$2,365 USD | ~$3,095 USD | ~$3,865 USD |
Biaojiang SE — The Balanced Pick with Outstanding Value
The SE sits at the entry point of the Biaojiang family without feeling like a compromise. Its tagline says it all: professional performance at a friendly price.
Ideal for:
- Independent watchmakers with moderate daily cleaning volume
- Technicians just setting up their own workshop
- Small-to-medium repair shops looking for professional-grade results without a flagship price tag
Key highlights:
- Multi-frequency ultrasonic technology adapts to different materials and contamination types
- One-touch fully automated operation — minimal learning curve
- Dual basket system balances durability with precision part protection
- Available in two colors: Blue and Orange
Biaojiang Basic — The Dependable Professional Entry Point
The Basic model builds on the SE's foundation with enhanced cleaning capacity, designed for professionals who take service quality seriously and need consistent, reliable results day after day.
Ideal for:
- Mid-sized repair shops with higher daily throughput
- Technicians who need stable, predictable performance across diverse watch brands
- Repairers handling everything from entry-level to mid-range luxury timepieces
Key highlights:
- Inherits Biaojiang's proven multi-frequency ultrasonic technology
- Optimized cleaning tank structure increases single-cycle capacity
- Precision temperature-controlled drying prevents heat damage to sensitive components
- Full aluminum alloy frame ensures structural stability and long service life
> Note: The Basic model is often the quiet best-seller in Biaojiang's lineup — less flashy than the PRO, but with a large and loyal user base among working repair professionals who value reliability over flash.
Biaojiang PRO — The Flagship Built for High-Demand Service Environments
The PRO is Biaojiang's flagship model, engineered for large-scale after-sales service centers, authorized brand facilities, and seasoned watch professionals who process high volumes daily.
Ideal for:
- Large-scale watch after-sales service centers
- Authorized brand service providers
- Professional repair institutions with extreme daily throughput
Key highlights:
1. Multi-frequency ultrasonic + 330W power + 40kHz frequency: Industrial-grade ultrasonic energy that penetrates stubborn oil deposits and cleans deep within movement components.
2. 4-Station partitioned cleaning system:
- Station 1 (Stainless Steel): Holds cleaning solution to deeply remove movement oil residue and oxidation
- Station 2 (Tempered Glass): Distilled water for the first rinse, removing chemical residue
- Station 3 (Tempered Glass): Deeper secondary rinse to eliminate all traces of cleaning agents
- Station 4 (Tempered Glass): Alcohol immersion for rapid moisture removal and component drying
3. Dual-direction alternating rotation + bi-directional wave pattern: 80% efficiency improvement over conventional single-direction cleaning, reaching every angle of complex parts like bracelets and balance wheels.
4. Adjustable temperature drying: Set drying temperature based on material — no more risk of damaging plastic date wheels, rubber gaskets, or dial indices.
5. 53kg heavy-duty base + full aluminum alloy housing: Eliminates vibration transfer to the workbench, protecting other precision instruments and ensuring long-term durability under heavy daily use.
6. One-touch automation + emergency stop: Maximum simplicity with built-in safety redundancy.
Which Model Should You Choose?
Your situation | Recommended model |
Just starting out or running a small personal workshop with a limited budget | **SE** |
Established shop with steady client volume and mid-range daily throughput | **Basic** |
Large service center or authorized facility processing dozens of watches daily | **PRO** |
About Biaojiang
Biaojiang operates under Panjin Chasing Light Electronic Technology Co., Ltd., a China-based precision technology company specializing in high-accuracy equipment for the watch service industry. In 2024, the company achieved two significant certifications:
- Provincial "Eaglet Enterprise" Certification (November 2024)
- National High-Tech Enterprise Certification (December 2024)
Biaojiang's portfolio covers the full watch service workflow — ultrasonic cleaning machines, vacuum waterproof testers, timing calibration equipment, watchmaker benches, watch winders, and professional tools.
Their professional brand Biaojiang serves the trade, while HAVOMEC is the official direct-to-customer retail platform offering worldwide shipping, multiple payment methods, and a two-year limited warranty.
Website: biaojiang.com | Shop: havomec.com
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