Seiko
Seiko Prospex Turtle Strap Size — 22mm Lug Width
The Seiko Prospex Turtle has a 22mm lug width, so it takes a 22mm watch strap.
Lug width22mm
| Lug width | 22 mm |
|---|---|
| Case size | 45 mm |
| Lug-to-lug | 48 mm |
| Thickness | 14 mm |
| Spring bar Ø (typical) | 2.5 mm |
| End type | Straight |
Strap styles that fit
- NATO / Zulu22mm fits if the strap's thickness clears the case under the bars.
- PerlonWoven pass-through, 22mm.
- 2-piece leatherStraight ends fit flush.
- Rubber / siliconePick straps with holes made for fat bars.
- Milanese / meshStraight-end 22mm mesh fits.
- Metal braceletNeeds 22mm end-links shaped for this case.
▲ Cushion case.
Fit & sizing notes for the Prospex Turtle
- Width: buy 22mm straps. Tapered straps listed as 22/20mm or 22/18mm fit too; only the first number has to match. See strap sizes explained.
- Spring bars: 22mm long, about 2.5mm diameter. These are fat bars, so pick straps with holes made for them, or swap to thinner 22mm bars for slim leather (spring bar sizes).
- Wrist fit: at 48mm lug-to-lug it should sit within the top of wrists from about 16.0cm up (rule of thumb: lug-to-lug under ~30% of wrist size). That's longer than 62% of the watches in our index. See what size watch suits your wrist.
- Strap thickness: at 14mm thick it's a chunky case: thicker padded leather, rubber/FKM or a heavier NATO balance it visually; very thin straps can look undersized.
Sources & corrections
Lug width from widely published specifications. Case sizes and references vary, so measure your own watch if anything looks different.
Spec wrong for your watch? Send us a correction with your reference number.
Get the right strap
Links open Amazon — we may earn a commission at no cost to you.
Seiko Prospex Turtle — strap questions
What size strap does the Prospex Turtle take?
The Seiko Prospex Turtle has a 22mm lug width, so you need a 22mm watch strap.
Will any 22mm strap fit the Prospex Turtle?
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 22mm end-links made for this model.
What spring bar size does the Prospex Turtle use?
22mm long and about 2.5mm in diameter (a typical figure; measure the original bar to be sure). These are thicker 'fat' bars, so heavier straps suit it best.
Is the Prospex Turtle good for strap swapping?
Yes. With standard 22mm spring-bar lugs, NATO, leather, rubber and mesh straps can all be fitted with a spring-bar tool.