Model: JR3159-53E

Within ±15 accuracy per month (when worn at normal temperatures of 5°C to 35°C / 41°F to 95°F)
Operating Temperature Range
0°C to 55°C (32°F to 131°F)
Analog Display Functions
Time: seconds, minutes, hours, 24 hours, UTC minutes, UTC hours, mode
Digital Display Functions
Time: Seconds, minutes, hours, city name, daylight savings time, A/P
Calendar: Month, date, day, city name
Alarm 1, 2, 3: Hours, minutes, A/P, city name, ON/OFF
Chronograph: Chronograph hours, chronograph minutes, chronograph seconds, chronograph 1/100 seconds, SPL, 24 hour measurement
Timer: Timer remaining minutes, timer remaining seconds, set minutes (timer setting range: 99 minutes to 1 minute in 1 minute units
Zone setting: Display setting and cancellation for each city, setting of ON/OFF for daylight savings time for each city
Additional Functions
Switching between main time (analog) and sub-time (digital)
Power Save 1: Automatically stops second hand movement and digital display
Power Save 2: Automatically stops watch functions
Manual Power Save: Enables watch functions to be stopped arbitrarily (forcibly)
Power indicator: Approximate indication of secondary battery charging level
Insufficient charging warning function
Overcharging prevention function
Continuous Running Times
Fully charged to stopped: Roughly 4 years (when Power Save 2 function is operating)
Two-second interval movement to stopped: Roughly 1.5 days
Approximate Measurements
Glass diameter: 28.5mm
Case diameter: 45mm (including crown)
Case thickness: 14.5mm
Weight: 200g

Packaging: New in box with manual