Seiko 7D46, 7D56, 7D48 manual Power Reserve Guidelines for the Rechargeable Battery, Mately one day

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✽ To charge the rechargeable battery efficiently, swing the watch from side to side rhythmically

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at a rate of twice a second, making an arc of about 20 cm.

✽ No additional benefit is obtained by swinging the watch more quickly or with greater vigor.

 

 

✽ When the electrical energy stored in the rechargeable battery is completely depleted after

 

the watch is left untouched for a long time, the watch requires at least 450 swings to

 

generate power to resume the normal operational movement.

 

2. It is recommended that the watch be swung further until it can reserve enough

 

power to run the watch for approximately one day.

 

As a guideline, 200 swings will generate the power to run the watch for approxi-

 

mately one day.

POWER RESERVE GUIDELINES FOR THE RECHARGEABLE BATTERY

●Wearing the watch continuously for 12 hours will accumulate power to run the watch for approximately one and a half additional days.

✽As a general guideline, if you wear the watch every day for 12 hours over a period of a week, the power to run the watch for approximately ten days will be additionally secured. If the watch enters the power save mode, this amount of energy will keep the watch running for approximately one month and a half.

POWER SOURCE (RECHARGEABLE BATTERY) This watch requires no periodic battery replacement as it is powered by the exclusive

rechargeablebattery,whichiscompletelydifferentfromconventionalbatteriesforwatches.

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This exclusive rechargeable battery is an environmentally friendly, clean energy storage

device.

 

CAUTION

Never install a silver oxide battery for conventional watches in place of the rechargeable battery, which can generate heat that can cause bursting or ignition.

NOTES ON OVERHAUL

The watch is a precision device. If the parts run short of oil or get worn out, the watch may stop its operation or lose time. We recommend you have the watch overhauled periodically to keep it running accurately.

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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 FunctionBefore Initial USE Power Save FunctionDisplay and Button Operation 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 CrownSecond click position Original position HOW to SET the Time and CalendarHOW to SET the Time Cal D46 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 positionEnergy Depletion Forewarning Function HOW to Charge the WatchIf the Second Hand Starts Moving AT TWO Second Intervals 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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