Miyota Caliber 9134

Manufacturer	Miyota
Caliber Number	9134
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; 24 hour indicator at 6:00; date window at 3:00; power reserve indicator at 10:00
Hacking Seconds?	Yes
Country of Manufacture	Japan
Known Models	E.C. Andersson Poseidon, Nethuns Lava II Power Reserve (Add your watch to the comments below…)

Miyota caliber 9134 uses the framework of Miyota’s 9 series of what they categorize as “premium automatic” watch movements. The cal. 9134 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 9134 has been discontinued by Miyota.

Functionality:

The notable feature of watches with the calibre 9134 is the power reserve indicator at 10:00, as well as a 24 hour indicator at 6:00 and a date complication at 3:00.

Accuracy Rating:

According to Miyota, the calibre 9134 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 9134 were found online in the range of $145 USD – $189 USD.

Additional Resources:

• Official 9134 tech drawings (pdf)
• Official 91XX instructions manual (pdf)
• More Miyota watch movements