MIYOTA/CITIZEN 9100/9132 Second Wheel 7.15mm

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

$2.38

5 - 9

$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 large second wheel (7.15mm) for the 9100/9132 movement, made in Japan, designed for 9100/9132 automatic mechanical calibers. It serves as the drive component for the central sweep seconds hand, transmitting power from the gear train for smooth, flutter-free hand motion as one of the core timekeeping transmission components. This product is brand new and original, not a generic replacement part.

Specifications

Brand：MIYOTA (by CITIZEN)

Compatible Movement：9100 / 9132 automatic mechanical movements

Part Name：Large Second Wheel (7.15mm) / Central Sweep Seconds Drive

Origin：Made in Japan

Quality：Genuine original, brand new

Function：Drives the central seconds hand (smooth sweeping)

Movement Diameter：30.2mm (13½ ligne)

Movement Height：5.52mm

Frequency：28,800 bph (4Hz)

Jewels：26

FAQ

1. Is this 7.15mm large second wheel an original CITIZEN/MIYOTA genuine part?
Yes. It is an original MIYOTA factory part, made in Japan. Purchase through authorized channels to ensure authenticity. The 9100/9132 caliber features 26 jewels and runs at 28,800 bph (4Hz).

2. What happens if the second wheel is damaged?
This wheel drives the central sweep seconds hand. Damage can cause the seconds hand to stop, wobble, or jam. The 90 series features a redesigned gear train with the seconds hand in the direct power flow, eliminating the flutter seen in earlier movements. Timely replacement is critical for proper timekeeping.

3. Does this part come with installation tools or instructions?
No. This is a single precision component. Installation requires professional tools; work should be performed by a qualified watchmaker.

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