IWC Tonneau CAL.423
More IWC market data- Brand
- IWC
- Model
- Tonneau
- Reference
- CAL.423
- Year
- 1971
- Case
- 35 mm
- Dial
- blue
- Bracelet / strap
- leather
- Status
- Availability unverified
Watch listing
IWC Tonneau CAL.423 and 1 more
IWC Tonneau CAL.423 and 1 more sale listing with structured watch details and source context. Observed details include $1,700 and 1971 production year.
Updated Jun 20, 2026
![[WTS] Professionally serviced 1971 IWC Blue Dial Tonneau cal.423 - $1700 (FNAL REDUCTION) image](https://media.watchtrader.net/media/reddit-post-1o8jsik/b22c69672db08a3b86c49834c22cc5441182874aeb6eaeec163d786a932da808.jpg)
4 photosObserved asking price
$1,700
Status: Availability unverified
At a glance
- Listing type
- For sale
- First observed
- Oct 16, 2025
- Watches
- 2
- Photos
- 4
Structured details
2 watches in this listing
$1,700
IWC Portugieser 2582
More IWC market data- Brand
- IWC
- Model
- Portugieser
- Reference
- 2582
- Year
- 1971
- Material
- steel
- Dial
- blue
- Bracelet / strap
- alligator strap
- Status
- Availability unverified
Listing notes
[WTS] Professionally serviced 1971 IWC Blue Dial Tonneau cal.423 - $1700 (FNAL REDUCTION)
Source and availability
Watchtrader structured this page from an observed Reddit community listing. Asking prices, condition, and availability can change after publication; verify the details with the original source before relying on them.
View original Reddit listingMore from this brand
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