Movement No. J250

Component Roles

Time display

Hour hand Shows the hour.
Minute hand Shows the minute.
Second hand Shows the second.
Date display Shows the date.

Other displays

Power reserve
indication hand
Shows the power reserve.
Maximum water
depth hand
Shows the maximum depth.
Water depth hand Shows the depth.

Operation (crown)

Crown Allows you to adjust the time and date.

Normal crown

Can be pulled out in 2 steps.

Screw-lock crown

The crowns on some models can be screw-locked to prevent unintended operation.
To apply the screw-lock, press the crown in while turning it.

Operation (buttons)

A button Used for functions such as checking the rapid ascent warning alarm tone.
B button Used for functions such as checking the maximum depth.

Screw-lock buttons

The buttons on some models can be screw-locked to prevent unintended operation.
To apply the screw-lock, press the screw section inwards while turning it.

Others

Water pressure
sensor
Measures the water pressure to show the depth.
Water sensor Depth measurement begins when this sensor comes into contact with water.