---
description: Generic sapphire crystal for A. Lange & Söhne Zeitwerk 140.029, 35.9mm domed blue AR with gasket. Aftermarket replacement.
title: Generic A. Lange & Söhne Zeitwerk 140.029 Sapphire Crystal 35.9mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2022/11/DSC00878.jpg
---
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- **Generic A. Lange & Söhne Zeitwerk 140.029 Sapphire Crystal 35.9mm**
[](https://www.soflypart.com/wp-content/uploads/2022/11/DSC00878.jpg)
# Generic A. Lange & Söhne Zeitwerk 140.029 Sapphire Crystal 35.9mm
$70.00
You Saved
| Brand | Choose an option A. Lange & Söhne- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $70.00 |
| 3 - 4 | 5% | $66.50 |
| 5 - 9 | 7% | $65.10 |
| 10 - 14 | 10% | $63.00 |
| 15+ | 15% | $59.50 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $70.00 |
| 3 - 4 | 5% | $66.50 |
| 5 - 9 | 7% | $65.10 |
| 10 - 14 | 10% | $63.00 |
| 15+ | 15% | $59.50 |
Generic A. Lange & Söhne Zeitwerk 140.029 Sapphire Crystal 35.9mm quantity
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## Product Description
Generic domed round sapphire crystal for A. Lange & Söhne Zeitwerk 140.029. Diameter 35.9mm, total thickness 1.5mm, step thickness 1.2mm, blue reflective coating, includes matching gasket. Aftermarket replacement for damaged original crystals.
## Features & Function
- Domed round with blue AR coating – reduces glare.
- Includes gasket – ensures proper sealing.
- Synthetic sapphire – scratch resistant (Mohs 9).
- Drop‑in replacement – no case modification.
## Specifications
| Parameter | Value |
| --- | --- |
| Compatible model | A. Lange & Söhne Zeitwerk 140.029 |
| Diameter | 35.9 mm |
| Total thickness | 1.5 mm |
| Step thickness | 1.2 mm |
| Gasket | Included |
| Material | Synthetic sapphire |
| Hardness | Mohs 9 |
| Type | Aftermarket |
## Applications
- Replace scratched/cracked original crystal.
- Professional watch repair and restoration.
## Frequently Asked Questions
**Q1: Genuine A. Lange & Söhne part?** No, generic aftermarket.
**Q2: Gasket included?** Yes.
**Q3: Quality reliable?** Yes, from reputable suppliers.
## 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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