Citizen
Citizen Promaster Fugu (NY0040) Strap Size — 20mm Lug Width
The Citizen Promaster Fugu (NY0040) has a 20mm lug width, so it takes a 20mm watch strap.
Lug width20mm
| Lug width | 20 mm |
|---|---|
| Case size | 42 mm |
| Lug-to-lug | — |
| Thickness | — |
| Spring bar Ø (typical) | Not confirmed |
| End type | Straight |
Strap styles that fit
- NATO / Zulu20mm fits if the strap's thickness clears the case under the bars.
- PerlonWoven pass-through, 20mm.
- 2-piece leatherStraight ends fit flush.
- Rubber / siliconeDivers & sports fit well.
- Milanese / meshStraight-end 20mm mesh fits.
- Metal braceletNeeds 20mm end-links shaped for this case.
Fit & sizing notes for the Promaster Fugu (NY0040)
- Width: buy 20mm straps. Tapered straps listed as 20/18mm or 20/16mm fit too; only the first number has to match. See strap sizes explained.
- Spring bars: 20mm long. We haven't confirmed the diameter for this model, so measure the old bar before buying replacements (spring bar sizes).
Sources & corrections
Lug width checked against: StarBuy: Citizen Promaster Fugu. Last checked 24 October 2026.
Spec wrong for your watch? Send us a correction with your reference number.
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Citizen Promaster Fugu (NY0040) — strap questions
What size strap does the Promaster Fugu (NY0040) take?
The Citizen Promaster Fugu (NY0040) has a 20mm lug width, so you need a 20mm watch strap.
Will any 20mm strap fit the Promaster Fugu (NY0040)?
Most will. Width is the main thing to match, but also check that the strap's spring-bar holes suit the bars, and that the strap is thin enough to clear the case between the lugs. A metal bracelet needs 20mm end-links made for this model.
What spring bar size does the Promaster Fugu (NY0040) use?
20mm long. We haven't confirmed the diameter for the Promaster Fugu (NY0040), so measure the original bar with calipers before buying replacements.
Is the Promaster Fugu (NY0040) good for strap swapping?
Yes. With standard 20mm spring-bar lugs, NATO, leather, rubber and mesh straps can all be fitted with a spring-bar tool.