Genuine Rolex® 1030 fourth wheel, part 6910 (see all calibres in description) o-ring case back gaskets and the indicator at the

and the indicator at the 12 o'clock position is a stop watch minute hand

6 1/4" (16cm) Warding Needle File cut 4 Swiss Pattern is a warding file

90 mm (thick) flat mineral crystal with black trim and white numbers “TACHOMETER”

alarm barrel arbor to fit Jaeger LeCoultre® calibres: 910

Genuine Rolex® 1030 fourth wheel, part 6910 (see all calibres in description) o-ring case back gaskets and the indicator at theGenuine Rolex fourth wheel, part 6910, Fits calibres: Rolex 1030 Rolex 1035 Rolex 1036 Rolex 1036 GMT Rolex 1040 Rolex 1055 (CD1) Rolex 1055B (CD1) Rolex 1065 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Rolex. Rolex warranty does not apply to parts supplied by Perrin Supply Ltd.