Omega Hand Listing 1961 reports hour hole sizes in millimeters to be 0.89 - 0.895 with tube length of 0.55 for Calibers 440 and 580. Hour hole 0.89 -0.90 length 0.56 for 210, 211, 212, 213, 480, 482, 483 |
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Otto Frei, Watch Parts Since 1930 Customers Entrance 126 2nd St. Oakland, California 94607 Mailing Address: PO BOX 796, Oakland Ca. 94604 Freight Shipment Address: 119 3rd St. Oakland Ca. 94607 USA
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