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AUTOMATIC · 21 JEWELS · 40H RESERVE
Citizen Mechanical
NJ0221-50E
38.5mm steel case, black dial, Citizen 8210 automatic movement with 21 jewels, 40-hour power reserve, mineral crystal and silver steel bracelet. Japanese mechanics for life.
⌚ Citizen Mechanical NJ0221-50E: The automatic heartbeat of Japanese tradition
The Citizen Mechanical NJ0221-50E belongs to Citizen's Mechanical line, a collection that pays tribute to the purest automatic watchmaking. Its heart is the Citizen 8210 movement, a self-winding mechanical calibre with 21 jewels, hacking seconds function and a generous 40-hour power reserve. The 38.5mm stainless steel case houses a clear-reading black dial, protected by a mineral crystal. The silver steel bracelet with deployant clasp and the screw-down case back complete a robust and reliable package. Water resistant to 10 ATM (100 metres), suitable for swimming.
⚡ Highlights: Citizen 8210 automatic movement · 21 jewels · 40-hour power reserve · Hacking function · 38.5mm steel case · Black dial · Screw-down case back · 100m water resistance.
📋 Specs sheet
| Element | Specification |
|---|---|
| Reference | NJ0221-50E |
| EAN | 4974374348173 |
| Brand | Citizen |
| Category | Mechanical (Automatic) |
| Year | 2026 Spring/Summer |
| Movement | Citizen 8210 · Automatic mechanical |
| Jewels | 21 |
| Power reserve | 40 hours |
| Frequency | 21,600 bph |
| Hacking | Yes |
| Case | Silver-tone stainless steel, 38.5mm diameter, 11.5mm thickness |
| Case back | Screw-down |
| Dial | Black |
| Hands | Silver-tone (hours, minutes, seconds) |
| Crystal | Mineral |
| Crown | Pull type |
| Bracelet | Silver-tone stainless steel, 20mm width |
| Clasp | Deployant with push buttons |
| Water resistance | 10 ATM / 100 metres |
| Warranty | 5 years Spain / 1 year international |
✅ Who is this Citizen Mechanical for?
Designed for the man who values traditional Japanese mechanics and seeks an everyday automatic watch with character. Its 38.5mm size makes it versatile and comfortable for most wrists, with a classic presence that never goes out of style. The 8210 movement with 21 jewels and 40-hour power reserve delivers the reliability of a proven calibre, with no batteries needed. Ideal for those who enjoy watchmaking craftsmanship and want an automatic for life. Perfect for both the office and leisure time.
🔒 Purchase with official warranty
This Citizen Mechanical NJ0221-50E is 100% original. Official Citizen distributor, 5-year warranty in Spain and specialised technical service.
This Citizen Mechanical NJ0221-50E is 100% original. Official Citizen distributor, 5-year warranty in Spain and specialised technical service.
Get the Citizen Mechanical NJ0221-50E, the Japanese automatic that beats with you
Citizen 8210 movement · 21 jewels · 40h reserve · Black dial · 38.5mm case · 100m · Free shipping 24-48h
✔ Official Citizen distributor
✔ 5-year warranty Spain
✔ 30-day returns
Secure payment · Personalised attention
Citizen Mechanical NJ0221-50E · EAN: 4974374348173 · Citizen 8210 movement · 21 jewels · 40h power reserve · 38.5mm steel case · Black dial · Silver steel bracelet · 100m water resistance
Joyería Pato – Plaza de la Piedra nº7, Vigo · Official Citizen distributor
