F.A.Q.

Your self-winding watch is designed to take the motion of your wrist to rotate a tiny pendulum inside the watch that winds up the mainspring. If your typical day involves sitting for long hours, the watch might not be subjected to sufficient motion. Try hand-winding it with about 30 crown turns every morning to see if it helps to top up the winding. If there are no improvements after a few days of this workaround, please contact us by email.
Category: Technical Issue
You were leaning over a crocodile pit/erupting volcano/minefield, and you suddenly saw you watch fall into oblivion after what seems to be a spring bar failure? The first thing you should do is file a Lost Property Report form with the local police. In case someone finds your watch and is kind enough to bring it to the local lost and found offices, you might still be able to get it back to a fully functioning state. We are careful in selecting the best quality components for our watches, but in the very unlikely event that your spring bar was defective, we can suggest a replacement solution at our sole discretion if you contact us with the official Lost Property Report.
Category: Technical Issue
One of the reasons that we chose the Miyota 0S20 featured in the SparrowHawk II eco is the possibility to manually re-calibrate the hands. To do so, please follow these steps:

1. Unscrew the crown and pull it all the way to Time Setting Position. This position is reached once that the seconds hand at 6h stops moving.
2. Press and release the 2h and 4h pushers alternatively (2h-4h-2h-4h and so on) to move the small 9h minutes hand and bring it two marks before the zero position.
3. Press and release the 2h pusher to make a full turn of the central hand.
4. Once that the central hand is back to zero, press the 4h pusher one last time, and all your hands should be calibrated.
5. Push the crown in and screw it down.
Category: Technical Issue

We designed out watches with standard fittings to allow easy repair anywhere in the world, from Anchorage to Zanzibar. The simplest solution logistically is to seek the services of a local watchmaker to put on a new aftermarket crystal on your watch and control the water resistance thereafter.

Here are the crystal measurements by model:

TE-245, TE-246, TE-296double-curved, Ø 33.5mm, minimum thickness 1.2mm
TE-249, TE-280double-curved, Ø 33.5mm, minimum thickness 1.2mm
TE-363, TE-375, TE-392flat sapphire, Ø 35.0mm, minimum thickness 1.4mm
TE-367, TE-368flat sapphire, Ø 35.5mm, minimum thickness 1.5mm
TE-373flat sapphire, Ø 35.5mm, minimum thickness 1.4mm
TE-386, TE-388flat mineral, Ø 35.0mm, minimum thickness 1.5mm
TE-411flat sapphire, Ø 36.0mm, minimum thickness 1.4mm
Category: Technical Issue