CITIZEN PROMASTER SKY NAVIHAWK NK0044-57E MECHANICAL SUPER TITANIUM MEN WATCH
NK0044-57E
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- 3 Years Warranty
The Citizen Promaster NK0044-57E is the quietest and most wearable reading of Citizen's aviation design language. A black dial with Arabic numerals and stick indices delivers instrument-grade legibility, set against a silver-tone Super Titanium case and bracelet for a clean two-tone contrast. At 40mm, it sits comfortably within everyday proportions while keeping the serious, purposeful character of a pilot's watch.
Power comes from Caliber 8314, a mechanical automatic movement with 21 jewels beating at 21,600 vibrations per hour. Wound by the motion of your wrist, it holds approximately 60 hours of power reserve when fully wound — enough to come off on Friday evening and still be running on Sunday. A date display keeps the information you check most often on the dial.
The 40mm Super Titanium case measures 13.3mm thick, sealed by a screw-down case back and fronted by sapphire glass. Citizen specifies shock protection and 200-metre water resistance. The matching Super Titanium bracelet sits on 20mm lugs and closes with a double safety folding clasp, so it stays put through travel, swimming and daily wear.
At a Glance
- BrandCitizen
- CollectionPromaster
- MovementCaliber 8314 Mechanical Automatic
- Case Size40mm
- Thickness13.3mm
- DialBlack, Arabic Numerals & Stick Indices
- GlassAnti-Reflective Sapphire
- Case & BraceletSuper Titanium, Silver-Tone
- Lug Width20mm
- Water Resistance200m (20 BAR)
- Power ReserveApprox. 60 Hours
- CalendarDate Display
Why You'll Love It
- Instrument legibility in an understated package: The black dial with Arabic numerals and stick indices reads instantly, while the silver-tone Super Titanium case keeps the overall look restrained enough for the office.
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Mechanical character with a weekend-proof reserve: Caliber 8314 winds itself from your wrist movement and holds approximately 60 hours of running time, so it survives a day or two off without stopping.
- Super Titanium comfort at 40mm: Case and bracelet are both Super Titanium, giving the watch an easy, unobtrusive feel across a full day, with a double safety folding clasp holding it securely.
- Built for real use: Sapphire glass, a screw-down case back, shock protection and 200-metre water resistance mean it handles travel, swimming and everyday knocks without special care.
Key Features
- Caliber 8314 Mechanical Automatic — self-winding movement with 21 jewels, beating at 21,600 vibrations per hour.
- Approx. 60-Hour Power Reserve — running time from a full wind, without needing to be worn continuously.
- Black Dial — Arabic numerals with stick indices for clear, fast reading.
- Date Display — everyday calendar information on the dial.
- Sapphire Glass — High scratch resistance, clear reading at an angle and in bright light.
- Super Titanium Case and Bracelet — Citizen's proprietary titanium material throughout, in a silver tone.
- Screw-Down Case Back — as specified by Citizen for this model.
- Shock Protection — as specified by Citizen for this model.
- 200m Water Resistance — suitable for swimming and water recreation.
- Double Safety Folding Clasp — secure closure on 20mm lugs.
Technical Specifications
| Model Number | NK0044-57E |
| Collection | Citizen Promaster |
| Case Material | Super Titanium, Silver-Tone |
| Case Shape | Round |
| Case Diameter | 40mm |
| Case Thickness | 13.3mm |
| Glass | Sapphire Glass |
| Case Back | Screw-Down |
| Water Resistance | 200 Metres (20 BAR) |
| Dial Colour | Black |
| Markers | Arabic Numerals with Stick Indices |
| Display Type | Analogue, Three Hands with Date |
| Calendar | Date Display |
| Material | Super Titanium, Silver-Tone |
| Lug Width | 20mm |
| Clasp | Double Safety Folding Clasp |
| Caliber | Citizen 8314 |
| Movement Type | Mechanical Automatic (Self-Winding) |
| Jewels | 21 |
| Frequency | 21,600 Vibrations per Hour |
| Power Reserve | Approximately 60 Hours When Fully Wound |
| Accuracy | -20 to +40 Seconds per Day |
| Functions | Hours, Minutes, Seconds, Date Display, Shock Protection |
Frequently Asked Questions
Does the NK0044-57E need a battery?
No. It is a mechanical automatic watch powered by Caliber 8314, which winds itself from the natural movement of your wrist. There is no battery and no light charging involved. If it has been sitting unworn, a few turns of the crown or some wrist movement will start it again.
How long will it run if I take it off?
Citizen specifies approximately 60 hours of power reserve from a full wind. In practice you can leave it off overnight or across a weekend and expect to find it still running, though you may need to check the time and date after a longer rest.
How accurate is a mechanical watch like this?
Citizen rates Caliber 8314 at -20 to +40 seconds per day. That is the normal and expected tolerance for a mechanical calibre of this type, and the actual daily rate will vary with how the watch is worn, wound and rested.
Can I swim with the NK0044-57E?
Yes. Citizen specifies 200 metres (20 BAR) of water resistance, which covers swimming and general water recreation when the watch is used according to Citizen's instructions. Avoid operating the crown while the watch is wet.
Will the 40mm case suit a slimmer wrist?
At 40mm across with 20mm lugs, this is a moderate, widely wearable size. The case does stand 13.3mm tall, so it wears as a proper sports watch rather than a slim dress piece. We recommend trying it on in any City Chain store.
Is the black dial easy to read?
Yes. Citizen specifies Arabic numerals with stick indices, a layout drawn from cockpit instrumentation and chosen for fast, unambiguous reading. The sapphire glass has high scratch resistance and helps keep the dark dial clear in bright daylight.
Does it show the date?
Yes, there is a date display on the dial. As with any mechanical watch, the date will need adjusting if the watch has stopped, and at the end of any month shorter than 31 days.
Can the Super Titanium bracelet be adjusted?
Yes. The bracelet can be sized by removing or adding links where compatible. City Chain Singapore offers in-store bracelet adjustment — please bring your warranty book with you.
What warranty is included?
This model comes with a 3-year warranty when purchased from City Chain Singapore, an authorised Citizen retailer. Keep your warranty documentation and proof of purchase for any future servicing.
Why Buy from City Chain Singapore
- Authorised Retailer100% genuine Citizen timepieces
- 3-Year WarrantyOfficial warranty coverage
- Free ShippingWithin Singapore
- Bracelet AdjustmentIn-store assistance
Extra $6 OFF with min. $100 spend
Use Code: OCT6
Extra $12 OFF with min. $180 spend
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Use Code: OCT25
Caliber No.: 8314
Movement: Mechanical
Strap: Super Titanium
Water Resistant: Water Resistant to 200m
Thickness: 13.3mm
Case Size: 40mm
Case: Super Titanium
Glass: Sapphire Glass
21 jewels
Date Display
Frequency : 21,600 vph
Running time of approx. 60 hours (when fully wound)
Shock protection
Delivery within Singapore | Order by 11AM
(Checkout options may vary depending on minimum order requirements)
• Free Standard Delivery (3 business days)
• Free Next Day Delivery
• Express Delivery at $30 (order by 2PM)
• Click & Collect (ready in 2–3 business days)
Weekend & Public Holiday Orders
Orders placed during this time will be processed on the next business day.
For online purchase, you can have bracelet or leather strap adjustments done at any City Chain store. Please bring along your warranty book for the service.
