Orient Caliber 55741

Manufacturer	Orient
Caliber Number	55741
In-House?	Yes
Movement Type	Automatic, self-winding mechanical
Jewels	21
Vibrations Per Hour	21,600 bph
Anti-Shock System	Seiko Diashock
Power Reserve	~40 hours
Hand Windable?	Yes
Functions	Central hours; central minutes; central sweeping seconds; date at 3:00
Hacking Seconds?	Yes
Country of Manufacture	Japan
Known Models	Orient Ladies 31mm (Ref: NR1Q001W, NR1Q002W, NR1Q003W, NR1Q004W, NR1Q005W) (Please add your watch and more known models to the comments below…)

The Orient caliber 55741 is a 3-hander automatic watch movement with a date window. Orient makes their calibers in-house in Japan (Orient is part of Seiko).

This calibre includes popular functionality including the ability to manually wind the movement, as well as hacking seconds (Orient refers to this as a second hand halt mechanism).

Watches with this movement:

Cal. 55741 is a smaller movement found in the Orient Charlene line of ladies watches.

The images above were submitted by user Francesco F. of a caliber 55741 found in an Orient Charlene watch, model number FNR1Q002W0 aka NR1Q002W.

Also see:

Additional Resources:

• Official instruction manual (pdf)
• How to locate Orient caliber numbers
• List of Orient calibers