1946 Eterna Brevet Case

About our pricing

Charming and very balanced timepiece by Eterna featuring robust and beautifully finished patented steel case with screw-down caseback, precise manual-winding cal.852 and amazing two-tone dial. Very charming patina is giving certain charisma to this seventy years old, yet perfectly preserved timepiece. 

Manufacturer: Eterna, Switzerland
Model: n/a
Reference: n/a
Type: Manual-winding antimagnetic waterproof watch 
Year of production: ca.1946
Case type: 3-body, with screw-back, mixed satin and high-polished finishing.
Case material: Stainless steel
Case measurement: 36.5 mm (without crown) / 49 mm (lug-to-lug) / 18 mm (between lugs) 
Case serial number: 3217284
Case back: Screw-back, signed ‘Staybrite Steel / Shock Absorber Ammortisseur de choc / Waterproof / Antimagnetic’ along with 'Eterna' and serial number on the outer side. Signed 'Eterna Watch Co Swiss' and 'Brevet + Acier Inoxydable' on the inner side of the caseback.
Crown/pushers: Steel fluted crown
Crystal: Acrylic
Movement type: Manual-winding with small seconds.
Movement model: Eterna cal.852, signed Eterna and with serial number. 15 jewels, 18000 A/h, 50 hours of power reserve. 
Movement serial number: 3242200
Dial: Beautiful silver-white dial turning into warm yellowish patina.The outer perimeter of the dial is decorated with black printed 'railway' minutes track and luminous radium Arabic numerals. Subsidiary seconds dial at 6 o'clock. Signed 'Eterna' at 12 o'clock, signed 'Swiss' at 6 o'clock.
Hands: Brown luminous hands, brown small seconds hand.
Case condition: 1 (mint). Professionally polished, very sharp, showing no trace of use.
Movement condition: 1 (mint) professionally serviced in January 2016, only original parts. Adjusted and keeps good time. All functions work properly.
Dial/hands condition: Untouched and beautifully aged. All original hands showing aging/degrading of radium luminous substance.
Overall condition: 1 (mint)
Delivery set: The watch comes with brand-new black leather strap and generic steel buckle. Along with our company’s warranty certificate, general terms and conditions of sale, our company’s box.
Warranty: 1-year technical warranty


Collections: Archive

Category: Eterna


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Sizing Product

Measuring a watch

It is always crucial to understand the size of the watch, especially when it comes to vintage watches which are generally considered as too small in comparison with what watch industry offers today. For example, the original Patek Philippe Calatrava introduced in the 1930s was only 31 mm in diameter, while today's classic Calatrava is 39 mm. When you think about 8 mm, it doesn't seem to be a big difference, but believe it is.

In our condition reports we normally disclose three most important parameters as follows: diameter without crown / lug-to-lug length / lug width. 

Diameter without crown

It is, so far, the most important measurement to understand the size of a regular round-shaped watch.It helps you to understand proportions and overall look of the watch. It is important to consider width of the bezel and color of the dial, because certain combinations may make the watch look bigger, while some other smaller. It is all very individual, however there is common understanding:

Lug-to-lug width

This parameter will help you to understand whether the watch is comfortable for wearing. You should compare lug-to-lug width with the width of your wrist, and if lug-to-lug width is smaller or equal, then this watch shall be comfortable.

Lug width

This measurement is defining what size of strap you need for the particular watch. Depending on era and manufacturer you can find watches with lug width between 14 mm and 24 mm. Most common sizes are 18 mm and 20 mm.