reef tiger

Technical Information

Our watches are manufactured in our in Grenchen, Switzerland. Each Reef Tiger line has its own and . But they all have one thing in common: SWISS MADE quality.With us, high quality comes as standard. Our watches are all equipped with scratchproof , some of which are anti-reflective. The cases are and manufactured. In the finishing of our dials we use top-class materials such as diamonds, Swarovski stones or mother of pearl. Your expert Reef Tiger dealer will be pleased to show you other quality extras we offer.All models in the Master Series are marked with the official seal of of the independent COSC (Official Swiss Chronometer Control)

Anti-Reflective Coating

A thin, layer on the inside of the that light.


A high watch tested in different positions and at different temperatures, for which an official certificate has been issued by the COSC.

Power reserve

The power reserve shows the time remaining until a watch will stop.

Small seconds display

The second display does not take place from the centre of the dial. This kind of display can only be produced using constructed specially for it.

The crystal consists of and is therefore extremely scratch-resistant.


The movement of the causes the weight to turn, winding the mechanism's .


COSC (ContrôleOfficiel Suisse des Chronomè) is an independent Swiss testing body. It issues a certificate for every watch that successfully passes its test.

Large date display.

A display that is approx. 2/3 larger than standard date displays. The large display makes for improved .


A battery causes the in the watch to . The time interval is from the of the .

On sports and dive watches, the is for better sealing.