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1930s IWC Cal.87 Rectangular very rare "Inray finished" two-tone dial in Staybrite

Manufacturer IWC
Model Rectangular
Year of Manufacture 1930s
Reference no. ---
Product no. B-11080
Price

Late 1930s International Watch Company Rectangular model, equipped with the renowned Cal.87, featuring a highly rare champlevé dial.
This dial type, almost never seen in International watches but occasionally found in Rolex Prince and Omega models of the same era, is an exceptional rarity. Aside from the logo and the "SWISS" inscription, the entire dial is executed in champlevé. Furthermore, unlike the typical vertical & horizontal finishing, this example features a two-tone circle & horizontal finish, which makes the piece even more extraordinary.

The beautifully Art Deco–styled dial pairs perfectly with the rectangular case, which measures 22mm in width, 38mm in length, and 18mm between the lugs — a well-balanced size that is not too small. Powering the watch is International’s iconic rectangular movement, the celebrated Cal.87.

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Item details

Serial no. 1,005,***
Caliber 87
Movement no. 967,***
Movement type Manual winding
Material Staybrite
Case size 22×38.5mm
Case type Snap-back case (non-waterproof)
Dial Original
Type of Indices Printed
Belt Non-original (Lug width: 18mm) / GF Type-6 Two-tone
Evaluation case 92%
Evaluation dial 92%
Evaluation mov 93%
Condition 4.5
Rarity 5

Other details

Case: There are minor scratches and signs of aging, but the original shape and volume remain, and the serial number on the back cover is still visible.

Dial: There are slight signs of aging, but the two-tone color, print, and luster remain vivid.

Movement: Winding is good, and the accuracy is approximately 60 seconds per day.