AR-668 Waterproof O Ring Watch Back Gasket Washers 30 Sizes Total 90PCS/Box

Tax excluded.

Feature:

1. Install waterproof O‑ring to the watch or replace the waterproof ring, ensure the waterproof function of watch.
2. Contains 90 different sizes of the waterproof ring, suitable for different watch types and watch model to use.
3. Included storage box makes your articles not easy to lose and more convenient to storage, convenient to use.
4. One of the professional watch repairing tools, suitable for repairmen and amateurs to save expensive repair costs.
5. Small and convenient, easy to carry and convenient transportation, exquisite workmanship, no scratching for watch.

Specification:

Item Type: Waterproof O Ring
Material: Plastic
Applicable People: Watch maintenance professionals
Application Scenario: Used to add waterproof ring to the watch or replace the waterproof ring
Width: Approx. 0.9mm / 0.04in

Double Ends Diameter: Approx.

17.34 x 18.5mm / 0.68 x 0.73in 17.84 x 19mm / 0.7 x 0.75in

18.84 x 20mm / 0.74 x 0.79in 19.34 x 20.5mm / 0.76 x 0.81in

20.34 x 21.5mm / 0.8 x 0.85in 20.84 x 22mm / 0.82 x 0.87in

21.84 x 23mm / 0.86 x 0.91in 22.34 x 23.5mm / 0.88 x 0.93in

23.34 x 24.5mm / 0.92 x 0.96in 26.34 x 27.5mm / 1.04 x 1.08in

34 x 28.5mm / 1.34 x 1.12in 30.34 x 31.5mm / 1.19 x 1.24in

27.8 x 29mm / 1.09 x 1.14in 30.84 x 32mm / 1.21 x 1.26in

28.34 x 29.5mm / 1.12 x 1.16in 31.34 x 32.5mm / 1.23 x 1.28in

28.84 x 30mm / 1.14 x 1.18in 31.84 x 33mm / 1.25 x 1.3in

18.34 x 19.5mm / 0.72 x 0.77in 29.34 x 30.5mm / 1.16 x 1.2in

19.84 x 21mm / 0.78 x 0.83in 24.84 x 26mm / 0.98 x 1.02in

21.34 x 22.5mm / 0.84 x 0.89in 25.34 x 26.5mm / 1 x 1.04in

22.84 x 24mm / 0.9 x 0.94in 25.84 x 27mm / 1.02 x 1.06in

Package List: