T228 Sinn Model 456.ST M 28mm Automatic with Box Ladies'

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We offer the highest quality, delivered with the full effort of a professional formerly with a major manufacturer.
- Includes a one-month standard operation warranty.
→ Immediate purchase at the displayed price includes an additional one-year operation warranty.
- Please read the notes in our profile.

◦ Product
Disassembled, serviced, and newly polished
Sinn
Model 456.ST M 28mm
Black dial, stainless steel case x bracelet
Automatic, self-winding, women's

◦ Condition
Overhauled, fully polished, ultrasonically cleaned, and adjusted for accuracy in February 2026, making this a great value.

There are no noticeable scratches or stains on the glass, dial, hands, or crown.
The case and bracelet have been polished and are in beautiful condition.
All watch functions are, of course, in perfect working order.

As it has been disassembled and serviced, you can use it for a long time to come.

◦ Size (mm)
Case width (excluding crown): approx. 28
Wrist circumference: approx. 172

◦ Color/Material
Black dial
Stainless steel case x bracelet

◦ Accuracy
Tested to be approximately +10 seconds per day when laid flat, with a power reserve of over 36 hours.
The amplitude is extremely high, indicating excellent condition.

◦ Serial Number
456.4***

◦ Movement
Cal. SW100 base

◦ Purchase Source
Brand auction specializing in used goods dealers

◦ Accessories
Original box (significant deterioration and stains)

◦ Full Complete Service Performed
- Disassembly and cleaning (overhaul)
- Exterior polishing, full polishing
- Accuracy adjustment
- Ultrasonic cleaning
- Demagnetization

Please rest assured that the overhaul was performed by a technician holding Swiss certified licenses and a national Grade 1 qualification.

We prioritize effort and process over the light polishing offered by manufacturers, providing a higher level of quality.

We may suddenly remove this listing due to circumstances, so please consider it as soon as possible.

We will ship within 24 hours as a general rule.
We will contact you in advance if there are any delays due to unforeseen circumstances.

Thank you for viewing until the end.

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