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Men’s Patek Philippe 1959 ref 3418 A Stainless Steel Estate find As-is Vintage

Men’s Patek Philippe 1959 ref 3418 A Stainless Steel — USD 11,200

Ref: 3418

ActiveUSD 11,200
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Brand
Patek Philippe
Condition
Pre-owned - Fair
Reference
3418
Seller
diamondexchangeusa (98.5★ · 2,011 reviews)
Location
Rockville, MD, US
Listed
May 16, 2026
Case Size
34.5 mm
Year
1950-1959
Papers
No
Box
No
Service
No

⌚ Watch Specifications

Reference data · AI-verified specifications

Movement

Type
Manual
Caliber
27-SC
Power Reserve
44 hours

Case

Material
Stainless Steel
Diameter
35mm
Crystal
Plexiglass
Bezel
Smooth

Dial & Strap

Dial
Silver
Strap
Bracelet
Production
1958-1962

📖 About This Reference

The Patek Philippe Reference 3418, launched in 1958, is notable for its 'Convertible' case design, a feature shared with Reference 3419. This design allows for the detachment of the lugs, facilitating a change between a bracelet and a strap by unscrewing the case back. This innovative approach to case construction distinguishes it within Patek Philippe's production of the era, offering versatility to the wearer. Crafted exclusively in stainless steel, the case measures 35mm in diameter. The watch was originally supplied with a main metal bracelet. The production of Reference 3418 continued until 1962. It houses a manual-winding movement, consistent with Patek Philippe's horological standards of the period. This reference appeals to collectors interested in Patek Philippe's experimental case designs and its stainless steel offerings, which are less common than precious metal examples. The 'Convertible' mechanism represents a unique engineering solution for strap interchangeability, making the 3418 a distinctive piece in the brand's mid-20th century output. Its limited production run further contributes to its collectibility.

Collector Discussions

Patek Philippe ref. 3418 & 3419: 'Convertible' steel watches
Ref. 3418 & 3419 'Convertible' models have detachable lugs for straps or bracelets, with unique designs. Ref. 3418 launched in 1958 with steel bracelet until 1962, while Ref. 3419 had a leather strap until 1963.
forum · quattro · 4586 views · 1Y
Patek Philippe 3418
To the untrained eye, this is your run-of-the-mill dress piece from Patek Philippe, but to those who know what they're looking at (or have had the distinct pleasure of unscrewing an example's caseback) it's anything but. In truth, this is a tool watch , through and through, designed with the meddlin
forum · CrookedOak · 2626 views · 4Y
Patek Philippe Ref. 3418 wrist shot
It is called "convertible" because with an easy maneuver you can change the metal band to leather strap. Caliber 27 AM 400 antimagnetic Best G.
forum · gigi · 3278 views · 9Y
3418 stainless/steel
just got this beauty the stainless is a nice change ..
forum · chrisduggan · 2277 views · 11Y
3418 stainless /steel
just got a bit of much needed TLC looks great now .. This message has been edited by chrisduggan on 2015-01-31 03:14:16
forum · chrisduggan · 2140 views · 11Y
Ref 3418 Calatrava
Hi, I am considering purchasing a vintage Ref 3418, and would like to find out as much information about the model. I have not had much success or luck with my efforts. Any opinions/comments on this model would be greatly appreciated. Thanks,
forum · rjcastro · 2239 views · 16Y

Editorial coverage

Patek Philippe 3418 & 3419 'Convertible' Steel Watches
Patek Philippe 3418 & 3419 'Convertible' Steel Watches
quattro · Feb 6, 2025
Patek Philippe Ref. 3417 Amagnetic Review
Patek Philippe Ref. 3417 Amagnetic Review
watch-guy.com · Jan 13, 2018

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