MIYOTA/CITIZEN 90S5/9015 Cannon Pinion

Quantity	Discount (%)	Price
1 - 2	—	$2.50
3 - 4	5 %	$2.38
5 - 9	7 %	$2.33
10 - 14	10 %	$2.25
15+	15 %	$2.13

Quantity

Discount (%)

Price

1 - 2

—

$2.50

3 - 4

5 %

$2.38

5 - 9

7 %

$2.33

10 - 14

10 %

$2.25

15+

15 %

$2.13

Product Description

Quantity	Discount (%)	Price
1 - 2	—	$2.50
3 - 4	5 %	$2.38
5 - 9	7 %	$2.33
10 - 14	10 %	$2.25
15+	15 %	$2.13

This is a genuine MIYOTA cannon pinion for the 90S5/9015 movement, made in Japan, designed for 90S5/9015 premium automatic calibers. Positioned at the center of the movement, it is responsible for driving the minute hand and transmitting power from the third wheel to the minute wheel as the core transmission component for time display. This product is brand new and original, not a generic replacement part.

Specifications

Brand：MIYOTA (by CITIZEN)

Compatible Movement：90S5 / 9015 premium automatic calibers

Part Name：Cannon Pinion / Center Pinion

Part Number：028-A16

Origin：Made in Japan

Quality：Genuine original, brand new

Function：Drives the minute hand and transmits power (receives power from third wheel, drives minute wheel)

Movement Series：9000-series premium ultra-thin

Movement Height：3.90mm

Movement Size：11½ ligne (25.94mm)

Beat Rate：28,800 bph (4Hz)

Jewels：24

FAQ

1. Is this cannon pinion an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part with part number 028-A16, made in Japan.

2. What happens if the cannon pinion is worn or damaged?
The cannon pinion is a critical transmission component at the center of the movement. Wear or damage can cause the minute hand to stop, slip, wobble, or time setting to fail. Common symptoms include: hand slipping during adjustment, or minute hand misalignment during operation. Timely replacement is recommended upon detecting any abnormality.

3. Does this part come with installation tools or instructions?
No. This is a single precision component. Installation involves gear train disassembly and requires professional tools. For the 90S5 no-date version (single crown position for time setting) vs. the 9015 date version (quick date setting), proper sliding fit between the minute wheel and cannon pinion must be ensured. Work should be performed by a qualified watchmaker.

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