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

English

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Image 31
Seiko 7K52 manual Specifications