Mulco MIYOTA 8205 - User Manual

MULCO
Instruction Manual
MIYOTA
8205
AUTOMATIC MECHANICAL
MOVEMENT
"AUTOMATIC SELF-WINDING - 21 JEWELS"
No batteries required with a 40-hour power reserve
Minute hand
1st Position
2nd Position
Normal Crown
Position
*Date
Second hand
Hour hand
MULCO
MIYOTA 8205
Day oh the
SUN
1
*Date & Day of the week position may be located at different position depends on models.
B) SETTING THE TIME
1. Pull the crown out to the 2nd position.
2. Turn the crown to set hour and minute hands.
3. When the crown is pushed back to the normal position,
second hand begins to run.
C) SETTING THE DATE
1. Pull the crown out to the 1st position.
2. Turn the crown counter-clockwise to set the date.
* If the date is set between the hours of around 9:00 PM and 1:00 AM, the date may
not change on the following day.
3. After the date has been set, push the crown back to the normal position.
D) SETTING THE DATE OF THE WEEK
1. Pull the crown out to the 1st position.
2. Turn the crown clockwise to set the day of the week.
* If the date is set between the hours of around 9:00 PM and 1:00 AM,
the day of the week may not change the following day.
3. After the day of the week has been set, push the crown back to the normal position.
A) DISPLAY

Summary

MIYOTA 8205 Watch Operation

Watch Display Overview

Explains the layout of the watch face, including hour, minute, and second hands, and date/day indicators.

Setting the Time

Step-by-step instructions to adjust the hour and minute hands using the crown in the second position.

Setting the Date

Instructions for setting the date by turning the crown counter-clockwise in the first position.

Setting the Day of the Week

Instructions for setting the day of the week by turning the crown clockwise in the first position.

MIYOTA 8205 Water Resistance

Overview

1. Function Description
2. Important Technical Specifications
3. Usage Features
4. Maintenance Features

This document serves as an instruction manual for the MULCO MIYOTA 8205 Automatic Mechanical Movement watch.

Function Description

The MULCO MIYOTA 8205 is an automatic self-winding mechanical watch, meaning it does not require batteries. It is powered by the movement of the wearer's wrist, which winds the mainspring. The watch features a traditional analog display with hour, minute, and second hands. Additionally, it includes complications for displaying both the date and the day of the week. The "AUTOMATIC SELF-WINDING - 21 JEWELS" designation indicates that the movement contains 21 synthetic rubies, which reduce friction and wear on moving parts, contributing to the watch's accuracy and longevity. The self-winding mechanism ensures that as long as the watch is worn regularly, it will continue to operate without manual winding.

Important Technical Specifications

• Movement Type: Automatic Mechanical Movement

• Caliber: MIYOTA 8205

• Jewels: 21 Jewels

• Power Reserve: 40 hours (This means the watch can continue to run for up to 40 hours after being fully wound and then left unworn.)

• Display: Analog (Hour, Minute, Second hands)

• Complications: Date and Day of the Week display

• Water Resistance: The manual provides a detailed table for water resistance, ranging from 30 meters (100 ft) to 200 meters (660 ft), with corresponding activities.

  • 30 mts / 100 ft (W/R 3 atm): Suitable for general use, light rain, and accidental splashes. Not suitable for showering, swimming, or diving.
  • 50 mts / 160 ft (W/R 5 atm): Suitable for general use, light rain, accidental splashes, and showering. Not suitable for swimming or diving.
  • 100 mts / 330 ft (W/R 10 atm): Suitable for general use, light rain, accidental splashes, showering, and swimming. Not suitable for diving.
  • 200 mts / 660 ft (W/R 20 atm): Suitable for general use, light rain, accidental splashes, showering, swimming, and diving.

  The water resistance indication is found on both the watch dial (mts / ft) and the back of the watch case (W/R atm). It's important to note that the "Date & Day of the week position may be located at different position depends on models."

Usage Features

The watch features a crown with three distinct positions for setting:

• Normal Crown Position: This is the default position when the watch is running.
• 1st Position: Used for setting the date and the day of the week.
• 2nd Position: Used for setting the hour and minute hands, which also stops the second hand for precise time setting.

Setting the Time (B):

1. Pull the crown out to the 2nd position. This will stop the second hand.
2. Turn the crown to adjust the hour and minute hands to the desired time.
3. Push the crown back to the normal position. The second hand will resume running.

Setting the Date (C):

1. Pull the crown out to the 1st position.
2. Turn the crown counter-clockwise to advance the date.
3. Important Note: If the date is set between approximately 9:00 PM and 1:00 AM, the date may not change on the following day. It is generally recommended to set the date outside of this "danger zone" to avoid potential damage to the movement or incorrect date display.
4. After setting the date, push the crown back to the normal position.

Setting the Day of the Week (D):

1. Pull the crown out to the 1st position.
2. Turn the crown clockwise to advance the day of the week.
3. Important Note: Similar to the date setting, if the day is set between approximately 9:00 PM and 1:00 AM, the day of the week may not change on the following day. It is advisable to set the day outside this period.
4. After setting the day, push the crown back to the normal position.

Maintenance Features

While the manual doesn't explicitly detail "maintenance features" in a dedicated section, the nature of an automatic mechanical watch implies certain maintenance considerations:

• No Batteries Required: This eliminates the need for battery replacements, a common maintenance task for quartz watches. The "40-hour power reserve" means that regular wear is sufficient to keep the watch wound. If the watch stops due to lack of wear, it can be restarted by gently shaking it or manually winding it (though manual winding instructions are not provided in this specific document, it's a common feature of many automatic movements).
• Water Resistance Guidelines: Adhering to the detailed water resistance chart is crucial for maintaining the watch's integrity. Exceeding the specified water depth or engaging in inappropriate activities for the given water resistance rating can lead to water ingress and damage to the mechanical movement. For example, a watch rated at 30m (3 atm) should not be worn while swimming, despite being "water resistant."
• "Danger Zone" for Date/Day Setting: The warning about setting the date/day between 9:00 PM and 1:00 AM is a critical maintenance tip. Adjusting these complications during this period, when the watch's internal mechanisms are actively engaged in changing the date/day, can cause damage to the delicate gears. It is a common practice to set the time to 6:00 AM or PM before adjusting the date and day to avoid this issue.
• Mechanical Movement Care: As a mechanical watch, it will eventually require periodic servicing (cleaning, lubrication, and adjustment) by a professional watchmaker to ensure continued accuracy and longevity, although this is not explicitly mentioned in this user manual. The "21 JEWELS" contribute to the durability of the movement by reducing friction, but wear and tear over many years are inevitable.

In summary, the MULCO MIYOTA 8205 is a robust automatic mechanical timepiece that offers both timekeeping and calendar functions, designed for convenience with its self-winding mechanism and requiring careful attention to its setting procedures and water resistance limits for optimal performance and longevity.

Mulco MIYOTA 8205 Specifications

General

Brand	Mulco
Model	MIYOTA 8205
Category	Watch
Language	English