The Basics

IWC Da Vinci Automatic Midsize Red gold Referention: IW452302 Power reserve: 42 h This model is a symbol for the rebirth of IWC in the 80’s. When this model was introduced in 1985 they choosed this name because the shape of the case was based on a sketch of four concentric circles by Leonardo Da Vinci. The case of the four concentric circles is replaced for a elegant tonneau shaped case.

Brand: IWC
Family: Da Vinci
Reference: IW4523-02 (aka: 4523-02, IW452302)
Name: Da Vinci Automatic Midsize Red gold
Produced: 2007 – 2011
Limited: No

Below is a detailed look at IWC’s model IW4523-02 from Da Vinci watch family, including the price, case details and movement features.

IWC Da Vinci IW4523-02

The Details

IWC’s Da Vinci Automatic Midsize Red gold (IW4523-02 (aka: 4523-02, IW452302)) was originally released in 2007 – 2011. This watch features a automatic movement beating at a frequency of 28800 bph (4 Hz) to provide a 42-hour power reserve when fully wound.

The Case

The red gold case measures 35.6mm in diameter and roughly 10.9mm thick. The tonneau case is paired with a silver color dial with alpha-shaped hands, and a stick / dot hour markers and minute track, covered by a sapphire glass. IWC’s Da Vinci model IW4523-02 is water resistant up to 30 meters (98 ft). A solid caseback is over the back of the watch case.

Material: Red Gold
Glass: Sapphire
Back: Solid
Shape: Tonneau
Diameter: 35.6mm
Height: 10.9mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Da Vinci IW4523-02 movement is a powered by caliber 30130 made by IWC. The 22-jewel automatic movement is 25.6mm in diameter. Its balance wheel oscillates at 28800 semi-oscillations per hour or 4 Hz. This movement offers a 42-hour power reserve.

Type: Automatic
Brand: IWC
Caliber: 30130
Base: ETA 2896
Display: Analog
Diameter: 25.6mm
Jewels: 22
Reserve: 42 hours
Frequency: 28800 bph
Time: Hours, Minutes, Seconds

The Price

How much does the IWC’s Da Vinci IW4523-02 cost? This watch was introduced in 2007 and has been in IWC’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.


For more information, visit IWC online.


  • Brand: IWC
  • Model: Da Vinci Automatic Midsize Red gold
  • Reference Number: IW4523-02 (aka: 4523-02, IW452302)
  • Limited: No

Case & Dial:

  • Material: Red Gold
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 35.6
  • Thickness: 10.9
  • Lug Width: N/A
  • Dial Color: Silver
  • Indexes: Stick / Dot and Alpha-shaped hands
  • Water Resistance: 30 meters


  • Winding: Automatic
  • Brand: IWC
  • Caliber: 30130
  • Display: Analog
  • Diameter: 25.6mm
  • Jewels: 22
  • Power Reserve: 42 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, Seconds

About IWC

IWC logo

IWC is based in Schaffhausen, Switzerland, and was founded in 1868. Its signature lines are the Pilot’s Watches and the Portugieser, while other famous collections are the Aquatimer, Portofino and the Da Vinci. Many of IWC’s designs display a industrial type of beauty not often found in Swiss watchmaking. The same goes for its movements; while of very high standards, they are finished with an … engineers touch rather than that of an artist. One could very well say that IWC’s approach to watchmaking is more German in nature compared to many of its competitors; the ‘form follows function’ adagio is one held in high esteem in Schaffhausen. Notable watches and innovations created by IWC in the past include the digital ‘Pallweber’ pocket watch, the late 1930’s Portugieser, the 1985 Da Vinci with Kurt Klaus perpetual module, the split-seconds mechanism as designed by Richard Habring and the ceramic Da Vinci and Flieger 3705 – introduced many years before the material became fashionable. IWC also pioneered the use of titanium in wristwatches. In recent years, IWC has had a strong focus on in-house movements with prices rising accordingly. IWC is part of the Richemont group.

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