Miyota Caliber 9130

Manufacturer	Miyota
Caliber Number	9130
Base Caliber	Miyota 9100
Movement Type	Automatic, self-winding mechanical
Lignes	13.5”’
Diameter	30.2mm
Height	5.52mm
Jewel Count	26
Beat Rate	28,800 vph, 4 Hz
Lift Angle	51 degrees
Power Reserve	~40 hours
Rotor Style	Ball-bearing
Rotor Winding Direction	Unidirectional (clockwise)
Hand-Windable?	Yes
Anti-Shock Device	Parashock
Hand Count	5
Hand Sizes	1.52mm / 1mm / .17mm / .26mm
Functions	Central hours; central minutes; central sweeping seconds; date window at 6:00; power reserve indicator at 12:00
Hacking Seconds?	Yes
Country of Manufacture	Japan
Known Models	Elliot Brown Tyneham (Add your watch to the comments below…)

Miyota caliber 9130 uses the framework of Miyota’s 9 series of what they categorize as “premium automatic” watch movements. The cal. 9130 is made in Japan and has 26 jewels and a frequency of 4 Hz or 28,800 beats per hour.

As of this caliber listing, the 9130 has been discontinued by Miyota.

Functionality:

The notable feature of watches with the calibre 9130 is the power reserve indicator at 12:00.

Accuracy Rating:

According to Miyota, the calibre 9130 has an average accuracy of between -10 and +30 seconds per day. This is in normal operating conditions.

Replacement Prices:

At the time of this caliber listing, replacement prices for the 9130 were found online in the range of $99 USD – $102 USD.

Additional Resources:

• Official 9130 tech drawings (pdf)
• Official 91XX instructions manual (pdf)
• More Miyota watch movements