Sinn EZM 3

The diving watch EZM 3 is a mechanical watch made for the toughest diving jobs. This is because you can always rely on classical mechanics anywhere where a watch with a quartz movement could pose a risk due to electronic interference or failure of the internal power supply. This is especially true when these mechanics are protected by sophisticated Sinn technology.

Filling the case with a protective gas keeps ambient oxygen and other corrosive gases at bay. The integrated drying capsule also absorbs the inevitable humidity which diffuses into the watch. The combination of carefully selected material dimensions and qualities together with perfect workmanship and complex sealing measures — such as double O-rings on the screwable crown — permits the approved use of the diving watch EZM 3 for a diving depth of 500 meters, corresponding to a pressure of 50 bar. This is an extreme performance value for which Magnetic Field Protection is crucial: an additional, solid soft iron sheath around the movement protects the accuracy of the watch up to magnetic field influences amounting to 80,000 A / m.

All functions and printing on the dial not relevant to diving are muted in red.

Case made of stainless steel, bead-blasted
Tested based on European diving equipment standards and certified by DNV GL
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Magnetic Field Protection up to 80,000 A/m
Functionally reliable from -45 °C up to +80°C
Diver's bezel with minute ratcheting
Crown on the left side of the case to prevent pressure on the back of the hand
Sapphire crystal glass
Pressure-resistant to 500 m diving depth 50 bar, certified by DNV GL
Mission timer design for optimal readability
Low pressure resistant

Mechanical Movement

ETA 2824-2
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309

Case

Case made of stainless steel, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened, nickel-free
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Pressure-resistant up to 500 m diving depth (= 50 bar), certified by DNV GL
According to the technical demands for the diving norm DIN 8306
Tested based on European diving equipment standards EN 250 / EN14143 and certified by DNV GL
Low pressure resistant

Functions

Hours, minutes, seconds
Date display
Diver’s bezel with minute ratcheting and luminous key mark

SINN Technologies

Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Temperature resistance technology, therefore functionally reliable at temperatures from -45°C up to +80°C
Magnetic Field Protection up to 80,000 A/m

Dimensions and Weight