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Specifications; Additional Funtions - Citizen 7240 Instruction Manual

Analog alti-meter

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L. Specifications
1. Model: Analog quartz watch with altimeter
2. Accuracy of time: ±20 seconds/month (5°C to 35°C/41°F to 94°F)
3. Quartz frequency: 32,768 Hz
4. Accuracy of altimetry: ±(5% ±10m of the value display)
5. Operating temperature range: -20°C to 55°C/36°F to 121°F

6) Additional funtions:

• Calendar: (date)
• Altimetry function: -300m to 5,000m (in 10m gradation)
• Normal altimetry measurements: every 5 seconds (for 30 minutes)
• Altitude correction function: Compensation can be made within ±300m
• Chronograph function:
Maximum measured display: 99 minutes 59 seconds
Measurements of less than 1 minute are in 1/20 (0.05) second gradation;
Measurements of more than 1 minute are in one second increment
• Battery-low warning function
7. Battery life: Approx. 2 years
Operating conditions: When using the continuous altimetry function for
30 minutes and the chronograph for 100 minutes per day
8. Battery number: 280-44 (SR 927W)
10°C to 40°C/50°F to 104°F
When adjusted the
altitude compensation.

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