English

[Cal. 7D46]

1. Each calendar item should be adjusted

in sequence of year, month and then

 

 

date.

Year indicator

English

Crown at the first

click position

Pull out the crown to the first click.

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

CAL. 7D46

CAL. 7D48

[Cal. 7D48]

[Cal. 7D56]

 

 

DEC

OC

T

F

E

B

Crown at the first click position

Crown at the first click position

2.Turn the crown until the year becomes adjustable.

Each calendar item becomes adjustable in sequence of date, month and then year, by turning the crown.

The calendar can be adjusted by turning the crown in either direction upward or downward.

The year indicator shows the number of the year(s) past since the last leap year. When setting the year, check whether the year you are going to set is a leap year or not, if it is not a leap year, check how many years have passed (1, 2 or 3) since the last leap year.

 

 

 

E

 

 

DEC

 

 

DEC

 

 

DEC

 

 

T

D C

 

 

 

T

 

 

 

C

F

C

T

F

C

F

C

T

F

 

E

E

E

E

 

 

B

B

B

B

CAL. 7D56

O

 

 

O

 

 

O

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year Indication

 

 

L.Y.

 

 

+1

 

 

+2

 

 

+3

Number of the years

 

Leap Year

 

One year

 

Two Years

Three Years

passed since

 

 

 

the last leap year

 

 

 

 

 

 

 

 

 

 

 

 

Year

 

 

2008

 

 

2009

 

 

2010

 

 

2011

 

 

 

2012

 

 

2013

 

 

2014

 

 

2015

 

 

 

2092

 

 

2093

 

 

2094

 

 

2095

 

 

 

2096

 

 

2097

 

 

2098

 

 

2099

The design of the year indicator may vary depending on the model.

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Image 9
Seiko 7D56, 7D48, 7D46 manual Cal D48 Cal D56, Click position, Crown at the first click position

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.