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Citizen Automatic Open Heart
Ref. NH9131 · Dress watch
Case
- Diameter
- 40mm
- Thickness
- 10.7mm
- Lug width
- 19mm
- Material
- Stainless steel
- Water resistance
- 50m
Crystal & dial
- Crystal
- Crystal glass
- Dial colour
- Black
- Indices
- Arabic 12 with applied baton indexes
Movement
- Caliber
- Citizen 8229
- Type
- Automatic
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Design language
- Case shape
- round
- Dial style
- textured
- Bezel
- smooth_polished
- Bracelet
- leather_strap
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In a nutshell
The Citizen Automatic Open Heart (ref. NH9131) is an automatic dress watch watch, with a 40mm stainless steel case, 10.7mm thick, powered by the Citizen 8229 movement and a 40 hours-hour power reserve. Water resistance is rated to 50m, under a crystal glass crystal.
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