> SPECIFICATIONS (Movement)

SPECIFICATIONS (Movement)

Caliber no.

9SA5

Features

Hour hand, minute hand, seconds hand, date indicator (Instant Date Change)

Vibrations

36,000 per hour (10 per second)

Loss/gain

Mean daily rate*: -3 to +5 seconds

Driving system

Automatic winding type with manual winding function

Power reserve

For approximately 80 hours. *From the state of the mainspring being sufficiently wound.

Jewels

47 jewels

Caliber no.

9SC5

Features

Hour hand, minute hand, seconds hand, date indicator

Stopwatch function:
Center chronograph seconds hand

Chronograph hour and minute hands.

Vibrations

36,000 per hour (10 per second)

Loss/gain (Grand Seiko Standard, Chronograph)

Mean daily rate*: -3 to +5 seconds

Driving system

Automatic winding type with manual winding function

Power reserve*

For approximately 72 hours. *From the state of the mainspring being sufficiently wound.

Jewels

60 jewels

Mean daily rate*:

A mean value of daily rates in a condition where the movement before assembly in a case are measured in 6 positions in a fixed manner under artificially controlled environment for 17 days (20 days for the chronograph).

Power reserve*:

The power reserve for 9SC5 is with the chronograph running. The power reserve without the chronograph running will differ.

Caution: Depending on conditions of use (such as normal usage time, temperature environment, and winding state), accuracy may exceed the abovementioned range. Therefore, for normal usage accuracy when it is actually used, -1 to +8 seconds per day is specified as target values.

The specifications are subject to change without prior notice due to product improvement.