Miyota Caliber 2105

Miyota Caliber 2105

Miyota Caliber 2105

Manufacturer Miyota (Citizen)
Caliber Number 2105
Type Quartz
Similar Caliber 2115
Lignes 10.50”’
Diameter
23.7mm
Height
4.15mm thick
Battery Cell Number 377 (SR626SW)
Battery Life
~3 years
Frequency 32,768Hz
Quartz Type Tuning fork type quartz crystal
Stem 065-299 (tap 10)
Hand Sizes 1.20/.70/.17
Jewels 0
Hacking Yes
Functions Central hours, central minutes, central seconds, day-date calendar at 3:00
Country of Manufacture Japan
Known Models Armitron Durasteel All Sport (add your watch to the comments below…)

The Miyota caliber 2105 is a 0 jewel quartz movement. This caliber is made in Japan.

Miyota 2105 Variations

Although this is a low cost quartz movement, there are at least 9 configurations available from Miyota. Only two are readily available for order:

  • 2105-20A – English/Spanish day-date at 3:00, black text on white background
  • 2105-2AQ – English/Chinese day-date at 3:00, black text on white background

All of the others are special order only. Typical minimum order quantity (MOQ) being 1,000 pieces, with a lead time of 2 months.

  • 2105-2PKA – English/Arabic day-date at 3:00, white text on black background
  • 2105-2AE – English/German day-date at 3:00, black text on white background
  • 2105-2AK – English/Arabic day-date at 3:00, black text on white background
  • 2105-2AN – English/Japanese day at 3:00, date at 6:00, black text on white background
  • 2105-2RA – English/Spanish day-date at 3:00, black text on white background
  • 2105-20Q – English Spanish day-date at 6:00 (vertical stack), black text on white background
  • 2105-2QA – English panoramic day at 12:00, date at 6:00, black text on white background

Miyota 2105 VS 2115

There is also a similar caliber 2115, with the main difference being that the 2105 shown here has a day-date, the 2115 only has a date. There is also a high hand verion (caliber 2117) for watches with deep dish dials and thick cases.

2105 Accuracy

Miyota states the accuracy of this movement to be +/-20 seconds/month.

Battery Cell

The caliber 2105 takes an SR626SW watch battery. The battery is said to last up to 3 years. There is a battery saving (aka hacking) mode by pulling out the stem into time setting mode (position II). When doing this, the seconds hand will stop and the power consumption will be limited.

Changing the Battery

Below is a quick guide to performing a DIY battery change on your 2105 powered watch. It’s easy enough. If it is your first time changing a battery on a Miyota quartz movement, just take your time. The arm with the hole in it is what holds the battery in. It moves slightly to release the battery. When installed a new cell, hold the arm out of the way and simply wedge the new battery under the tab on the left, press down on the battery and bring the arm back over. The arm has a spring-like resistance and should return to place on its own, as long as the battery is in place and not blocking it. Try not to slip the tool and scratch the coil.

Miyota Caliber 2105 Battery Change Instructions

With this battery removed, it looks like this:

Replacement Price

At the time of this post the replacement price is around $10.95.

Miyota Caliber 2105 Quartz

Examples of watches with this movement

The movement pictured below was found in an Armitron Durasteel All Aport model 20/1169.

Armitron Durasteel All Sport Miyota 2105 Movement

Additional Resources:

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Miyota Watch Movements (List) Watch Movement | Caliber Corner
1 year ago

[…] 2105 […]

John Murray
John Murray
1 year ago

This movement can also be found in the cardinal all steel watch.. the numbers below the 6 oclock position read..2669 and movement num on the other side of the six state it is 2105

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