Seiko 7K52, Instructions Manual, Page: 31 / 32

English
31
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