Original Omega crown 4.00 x 2.50 mm, steel - 42051ST
Diameter: 4.00 mm
Height: 2.50 mm
Thread: 0.9 mm
Tube diameter: 2.0 mm
Suitable for following case references:
161.25418, 161.5418, 166.0202, 166.0204, 166.0205, 166.0209, 166.0210, 166.0211, 166.0216, 166.0216.1, 166.02161, 166.0260, 166.0261, 166.0263, 166.02660, 168.0055, 168.0057, 168.016, 168.018, 168.5415, 168.5455, 168018, 366.0848, 366.0884, 368.5455, 368.5455.6
