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Citizen NK0000 (Tsuyosa) Specifications
| Reference | NK0000-95E, NK0001-84E, NK0002-14W |
|---|---|
| Case Size | 40mm |
| Lug Width | 20mm |
| Lug-to-Lug | 46.1mm |
| Thickness | 11.7mm |
| Case Material | stainless steel |
| Crystal | sapphire |
| Water Resistance | 50m |
| Movement | 8210 (automatic) |
| Bezel | fixed smooth |
| Crown | push-pull |
| Case Back | exhibition (see-through) |
| Price Range | $250-$350 |
Compatible Straps for the Citizen NK0000 (Tsuyosa)
The NK0000 (Tsuyosa) uses a 20mm Lug Width and is compatible with the following strap types.
| Type | Recommended Brand | Why It Works | Price Range | Link |
|---|---|---|---|---|
| oyster bracelet (OEM) | Barton | Sporty bracelet, solid end links available | $15–$80 | |
| leather | Archer | Dresses up the watch, fits 20mm lugs | $15–$80 | |
| NATO/ZULU | Crown & Buckle | Classic look, easy to swap, fits 20mm lugs | $15–$80 | |
| mesh | Hirsch | Adjustable fit, dressy appearance | $15–$80 | |
| perlon | Barton | Lightweight, breathable, adjustable fit | $15–$80 | |
| rubber/silicone | Barton | Water-resistant, comfortable for daily wear | $15–$80 |
Replacement Parts for the Citizen NK0000 (Tsuyosa)
| Part | Description | Compatibility Note |
|---|---|---|
| spring bars | Pins that hold the strap to the case | 20mm, 1.5mm diameter recommended |
| case back gasket | Seal that maintains water resistance | Required for 50m WR rating |
| bracelet links | Replacement component | Check compatibility with NK0000 (Tsuyosa) |
Modding the Citizen NK0000 (Tsuyosa)
The NK0000 (Tsuyosa) is a popular platform for modding. Here are the most common modifications.
- strap swap — Upgrade to a premium aftermarket strap or metal bracelet.
Frequently Asked Questions
What lug width is the Citizen Tsuyosa?
The Citizen Tsuyosa has a 20mm lug width.
Does the Tsuyosa have a sapphire crystal?
Yes. The Tsuyosa comes with a flat sapphire crystal, which is impressive for its price point.
Is the Tsuyosa an automatic watch?
Yes. The Tsuyosa uses the Citizen/Miyota 8210 automatic movement with an exhibition caseback. It is one of Citizen's few mechanical offerings in recent years.
Why is the Tsuyosa so popular?
The Tsuyosa offers a colorful, Oyster Perpetual-inspired design with a sapphire crystal and automatic movement for under $350. It became a hit for its value and bold dial color options.