---
description: "Generic rose gold screw crown for Omega Seamaster 231.20.39. 6.5mm, OEM part #069BG42233. Aftermarket replacement for 38.5mm case."
title: Generic Omega Seamaster 231.20.39 Rose Gold Screw Crown 6.5mm 069BG42233 - Sofly
image: https://www.soflypart.com/wp-content/uploads/2023/06/DSC01224.jpg
---
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- **Generic Omega Seamaster 231.20.39 Rose Gold Screw Crown 6.5mm 069BG42233**
[](https://www.soflypart.com/wp-content/uploads/2023/06/DSC01224.jpg)
# Generic Omega Seamaster 231.20.39 Rose Gold Screw Crown 6.5mm 069BG42233
$30.00
You Saved
| Brand | Choose an option Omega- 
Clear |
| --- | --- |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $30.00 |
| 3 - 4 | 5% | $28.50 |
| 5 - 9 | 8% | $27.60 |
| 10+ | 12% | $26.40 |
### Discount
| Quantity | Discount (%) | Price |
| --- | --- | --- |
| 1 - 2 | — | $30.00 |
| 3 - 4 | 5% | $28.50 |
| 5 - 9 | 8% | $27.60 |
| 10+ | 12% | $26.40 |
Generic Omega Seamaster 231.20.39 Rose Gold Screw Crown 6.5mm 069BG42233 quantity
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## Product Description
This is a high‑quality generic replacement screw‑down crown for the Omega Seamaster Aqua Terra reference 231.20.39 (38.5mm case), crafted in 18K rose gold finish, measuring 6.5mm (diameter) × 3.4mm (overall height). It features a screw‑down waterproof design, sealing against the case tube via internal threads and a built‑in O‑ring gasket, ensuring 150m water resistance.
## Features & Function
- **Material & Finish**: 18K rose gold, finely polished – warm, elegant hue matching the original.
- **Dimensions**: 6.5mm diameter × 3.4mm overall height. Thread specification is standard Omega metric fine thread, fitting the case tube of reference 231.20.39.
- **Design**: Screw‑down crown, sealing against the case tube via threads and an internal O‑ring, providing excellent water resistance.
- **Function**: Manual winding (clockwise), time‑setting (pull to second position), and date quick‑set (first position, depending on the movement).
- **Compatible movement**: The Omega Aqua Terra 231.20.39 typically houses the Caliber 8500/8501 (Co‑Axial automatic, 60‑hour power reserve); this crown matches the crown tube thread specification.
## FAQ
**Q1: Is the 3.4mm height suitable for my case?**
A: 3.4mm is the standard height for the Aqua Terra 231.20.39. If the gap between the crown and case is too large or too small after installation, the stem length may need adjustment.
**Q2: Can I install without threadlocker?**
A: Not recommended. The crown is subjected to vibration during screwing/unscrewing. Low‑strength threadlocker prevents loosening while allowing future removal.
**Q3: The crown does not feel sealed when screwed down. What should I do?**
A: Possible causes: ① O‑ring aged or incorrect size; ② Crown tube threads damaged; ③ Crown not fully tightened. Inspect the O‑ring. If threads are damaged, professional repair or tube replacement is needed.
**Q4: Can this crown be used on other watch brands?**
A: If your other watch uses the same thread and similar dimensions, it may fit. However, case tube length and seal design vary – always test water resistance.
## 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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A: 3.4mm is the standard height for the Aqua Terra 231.20.39. If the gap between the crown and case is too large or too small after installation, the stem length may need adjustment. Q2: Can I install without threadlocker? A: Not recommended. The crown is subjected to vibration during screwing/unscrewing. Low\u2011strength threadlocker prevents loosening while allowing future removal. Q3: The crown does not feel sealed when screwed down. What should I do? A: Possible causes: \u2460 O\u2011ring aged or incorrect size; \u2461 Crown tube threads damaged; \u2462 Crown not fully tightened. Inspect the O\u2011ring. If threads are damaged, professional repair or tube replacement is needed. Q4: Can this crown be used on other watch brands? A: If your other watch uses the same thread and similar dimensions, it may fit. However, case tube length and seal design vary \u2013 always test water resistance. 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\u00a0info@soflypart.com\u00a0or WhatsApp\u00a0+86 18620212114.","image":"https://www.soflypart.com/wp-content/uploads/2023/06/DSC01224-150x150.jpg","offers":{"@type":"Offer","description":"Product Description This is a high\u2011quality generic replacement screw\u2011down crown for the Omega Seamaster Aqua Terra reference 231.20.39 (38.5mm case), crafted in 18K rose gold finish, measuring 6.5mm (diameter) \u00d7 3.4mm (overall height). It features a screw\u2011down waterproof design, sealing against the case tube via internal threads and a built\u2011in O\u2011ring gasket, ensuring 150m water resistance. Features & Function Material & Finish: 18K rose gold, finely polished \u2013 warm, elegant hue matching the original. Dimensions: 6.5mm diameter \u00d7 3.4mm overall height. 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