IWC has produced a very wide variety of wristwatches from an early time ranging from dress watches to aviation watches. This example in 18k yellow gold with a beautiful clean dial would remain a constant in anyone's collections. 

The case style is very elegant and the three body case construction on this model is designed, so it appears to have a slim profile from the side, perfectly designed to peek out just enough under the jacket cuff.

CASE:

• great overall condition, showing minor trace of use
• 3- body stainless steel case monocoque case
• 35 mm (without crown) / 44 mm (lug-to-lug) / 19 mm (between lugs) / 11.1 mm thick
• year: 1950s
• reference: 580A
• total weight: 50 g

MOVEMENT:

• International Watch Co Cal. 852
• 21 jewels, 19800 A/h, 44 hours power reserve
• professionally serviced in 08/2024
• +1 sec/d / 310°
• no movement shot because its a monocoque case (movement is flawless)

DIAL:

• original never touched silver colored dial in flawless condition
• original hands and crown

STRAP & BUCKLE:

• black aftermarket leather strap fitting up to 21 cm wrist size / 2.4 mm thick
• aftermarket gold plated buckle
  

GOLDAMMER REFERENCE: #309