Specifications - The Greenwich Masters CELESTIAL Instruction Manual

1. Specifications

1. Calibre No: 4P92
2. Frequency of crystal oscillator: 32.768 Hz (Hz: frequency per second).
3. Accuracy: Within +/- 20 seconds per month
(when worn at normal temperature +5
4. Operating temperature range: -10
5. Additional Functions:
(period of constellation dial rotation: approx 23 hours 56 minutes and 4 seconds)
6. Battery: Silver oxide battery 1 pce. 280-39(SR626SW)
7. Battery life: Approximately 3 years (after installing a new battery).
Specifications are subject to change without notice.
3.
• Constellation display functions
• Planisphere dial function
• Displaying of solar position
• Displaying of altitude and azimuth
• Displaying of local sidereal time
• Twilight identification function
• Displaying of pole star angle
° °
C - + 35 C)
° °
C - +60 C