International Watch Company. A Stainless Steel Quartz Chronograph calendar Wristwatch signed International Watch Company, Schaffhausen, model Portofino, case no.2575385, 1990's semi-mechnical quartz movement, white dial with outer calendar ring, subsidiaries for running seconds, 30 minute and 12 hour recording, in circular case, the back held by 4 screws, maker's strap with matching buckle, with maker's leather box, case, dial and movement signed 35 mm
International Watch Company. A Stainless Steel Quartz Chronograph calendar Wristwatch signed International Watch Company, Schaffhausen, model Portofino, case no.2575385, 1990's semi-mechnical quartz movement, white dial with outer calendar ring, subsidiaries for running seconds, 30 minute and 12 hour recording, in circular case, the back held by 4 screws, maker's strap with matching buckle, with maker's leather box, case, dial and movement signed 35 mm
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
