Seiko 7D48, 7D56, 7D46 manual HOW to SET the Time and Calendar, HOW to SET the Time Cal D46

Page 7

Notes

English

✽

While the watch is in power save mode, the built-in IC computes the time internally at an

 

✽

If there is any time difference between the factory default time settings and the local time

 

 

in your area, reset the time and calendar before initially using the watch after purchase.

accuracy of 15 seconds per month which is equivalent to the accuracy of conventional quartz watches. Therefore, the time relayed from the built-in IC to the hands by the automatic time relay function may include a certain amount of time loss or gain within the range of the accuracy of the watch ( 15 seconds per month.) In such a case, reset the time as needed before starting to wear the watch.

✽When the watch wakes up from power save mode while it is running on extremely low electrical power, the second hand starts moving at two-second intervals. (Refer to “ IF THE SECOND HAND STARTS MOVING AT TWO-SECOND INTERVALS“ on page 19. )

HOW TO SET THE TIME AND CALENDAR

● If there is any time difference between the factory default time settings and

the local time in your area, reset the time and calendar before initially using

the watch after purchase.

■HOW TO SET THE TIME [Cal. 7D46]

Second click position

Original position

[Cal. 7D48]

Second click position

Original position

[Cal. 7D56]

1.Pull out the crown to the second click. The second hand will be stopping on the spot.

✽If your watch has a screw lock type crown, unscrew the crown first, and then pull it out to the second click.

✽To set the second hand exactly, pull out the crown to the second click at a moment the second hand is pointing to the 12 o’clock (“0” second) position.

2.Turn the crown to set the time.

✽Remember to check the 24-hour indicator to correctly set AM/PM.

✽To set the time accurately, advance the minute hand 4 to 5 minutes ahead of the correct time, and then turn it back to the exact time.

English

● In a case that the watch is completely stopped due to a shortage of stored

electrical energy, recharge the watch until the second hand resumes the

normal one-second interval movement, and then reset the time and calen-

dar. (Refer to “IF THE SECOND HAND STARTS MOVING AT TWO-SECOND

INTERVALS” on page 19.)

12

 

T

DEC

 

B

OC

 

F

 

 

E

 

 

Second click position

 

 

Original position

3.Push the crown back into the original position. The watch immediately starts ticking.

✽To set the second hand exactly, push the crown back into the original position in accordance with a time signal.

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Contents Cal D46, 7D48 & 7D56 Contents Watch remains operable for approximately four years FeaturesPower Save Function and Time Relay Function Perpetual Calendar FunctionDisplay and Button Operation Power Save FunctionBefore Initial USE Time Relay Function Remarks on Power Save FunctionTo unscrew the crown HOW to Wake UP the Watch from Power Save ModeHOW to Operate the Screw Lock Type Crown Screw Lock Type CrownHOW to SET the Time Cal D46 HOW to SET the Time and CalendarSecond click position Original position Avoid setting the time or calendar at a time between 2300 HOW to SET the Perpetual CalendarCrown at the first click position Cal D48 Cal D56Crown at the first Click positionIf the Second Hand Starts Moving AT TWO Second Intervals HOW to Charge the WatchEnergy Depletion Forewarning Function At a rate of twice a second, making an arc of about 20 cm Power Reserve Guidelines for the Rechargeable BatteryGenerate power to resume the normal operational movement Power to run the watch for approximately one daySpecifications

7D48, 7D46, 7D56 specifications

The Seiko 7D56, 7D46, and 7D48 are notable movements within Seiko's lineup of automatic watches, celebrated for their precision, reliability, and innovative features. These movements are part of the caliber family that showcases Seiko's commitment to quality craftsmanship and ingeniously designed technology.

The Seiko 7D56 is an automatic movement that stands out for its remarkable features, including a date display and day of the week complication, which adds a practical edge to its functionality. The movement utilizes a 21,600 vibrations per hour (vph) frequency, which ensures smooth operation and accurate timekeeping. One of its distinctive aspects is the hacking feature, allowing users to stop the second-hand while setting the time, leading to increased accuracy when syncing with another timepiece.

The 7D46, similar in design to the 7D56, merges functionality with style. It presents a sleek profile and appeals to those who appreciate both classic and contemporary aesthetics. Like the 7D56, it also includes a date function and operates at a frequency of 21,600 vph. This movement is particularly renowned for its durability and versatility, making it a preferred choice among watch enthusiasts seeking a reliable automatic timepiece.

The 7D48 movement is another esteemed member of this family, often found in Seiko's diverse range of watches. It features a power reserve of approximately 40 hours, making it a dependable option for daily wear. The 7D48 is crafted to be lightweight, which adds to wearing comfort while maintaining its robustness. Like its counterparts, it offers reliable timekeeping with a simple yet elegant design that fits various styles and occasions.

All three movements benefit from Seiko's advanced engineering and design philosophy, which emphasizes longevity and performance. They are crafted using high-quality materials and are meticulously assembled, ensuring that each movement meets the company's rigorous standards. Moreover, the incorporation of a transparent case back in many models allows wearers to appreciate the intricate mechanics at play within these movements.

In summary, the Seiko 7D56, 7D46, and 7D48 movements represent a harmonious blend of functionality, reliability, and aesthetic appeal. They embody Seiko's dedication to innovation while providing watch enthusiasts with exceptional timepieces that cater to diverse preferences and needs. These movements are a testament to Seiko's esteemed position in the world of horology.
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