Seiko 7K52 - SPECIFICATIONS

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SPECIFICATIONS
1 Frequency of crystal oscillator ................... 32,768 Hz (Hz = Hertz ... Cycles per second)
2 Loss/gain (monthly rate) ............................. Less than 15 seconds at normal temperature range (5° C
~ 35° C) (41° F ~ 95° F)
3 Operational temperature range .................. –10° C ~ +60° C (14° F ~ 140° F)
0° C ~ +40° C (32° F ~ 104° F) for water depth
measurement function
4 Driving system ........................................... Step motor, 4 pieces
5 Display system
TIME/CALENDAR display ....................... Hour, minute and small second hands and date
DEPTH MEASUREMENT display ............ Current depth by DEPTH hand and 1/10 m hand
Maximum depth by MAX. DEPTH hand (in 0.5 m
increments)
Diving time by DIVING TIME hand (in 1/5 minute
increments)
Time submerged by the small hour and minute hands at
the 6 o’clock position
LOG DATA display .................................. Stores details of two dives.
Maximum depth by MAX. DEPTH hand (in 0.5 m
increments)
Average depth by DEPTH hand and 1/10 m hand
Diving time by DIVING TIME hand (in 1/5 minute
increments)
Time submerged by the small hour and minute hands at
the 6 o’clock position
ALARM display ....................................... Small hour and minute hands at the 6 o’clock position
• While disengaged : Current time
• While engaged : Designated alarm time