Side-by-side comparison of specifications and features
Compare visual case presence and physical footprint on one shared wrist. Measure your top-down wrist width for a stronger result; lug-to-lug is used when the catalog has it.
Medium (6.7″)
Estimated top width: 56.7 mm
Preliminary range: 54.7–61.8 mm.
Watch A
Visual presence
ModerateCase covers 59% of your modeled wrist width.
Physical footprint
Clear spaceEstimated clearance: 9.9 mm per side.
Watch B
Visual presence
ModerateCase covers 60% of your modeled wrist width.
Physical footprint
Clear spaceEstimated clearance: 6.8 mm per side.
Proportional guide only: visual presence and physical footprint do not predict comfort. Weight, thickness, caseback shape, rigid lugs, strap stiffness, wrist-bone prominence, wearing tension, bezel design, and case curvature change how a watch actually wears. Non-round silhouettes use a verified family shape and catalog dimensions where available; missing case height or width is estimated from a conservative family aspect ratio.
Start with the specifications that meaningfully differ. Expand the complete table for reference details and missing-data context.
| Specification | Casio A158 | Timex T80 |
|---|---|---|
| Pricing | ||
| MSRPA158 is $39 less at MSRP | $30 | $69 |
| New PriceA158 is $1.8 less based on the current snapshot | $40 | $42 |
| Used Price (Low)A158 is $7.3 less at the low end | $25 | $32 |
| Used Price (High) | $170 | $150 |
| 30-Day Trend | ↑ +21.2% | ↑ +107.2% |
| Used Price Range | $25 - $170 | $32 - $150 |
| Dimensions | ||
| DiameterA158 is 0.8mm smaller | 33.2mm | 34mm |
| ThicknessA158 is 1.8mm thinner | 8.2mm | 10mm |
| WeightA158 is 0.8g lighter | 46g | 46.83g |
| Lug to Lug | 36.8mm | 43mm |
| Case | ||
| Case Material | Resin | Stainless Steel |
| Dial | ||
| Dial Color | Silver/Black | Silver |
This Casio A158 vs Timex T80 comparison is less about a universal winner and more about wrist presence versus easier fit. Start with fit first — case width and lug-to-lug usually matter more than secondary features if wrist comfort is a concern.
Bottom line
Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features. Choose Casio A158 if you want the lower current entry price; choose Timex T80 if you are comfortable paying more for a stronger feature set.
Choose Casio A158 when
Casio A158 is a better fit for low-maintenance daily wear, digital styling.
Choose Timex T80 when
Timex T80 is a better fit for low-maintenance daily wear, digital styling.
Movement and upkeep
Casio A158: quartz movement
Timex T80: quartz movement
Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.
Size and wearability
Casio A158: 33.2mm · L2L 36.8mm · 46g
Timex T80: 34mm · L2L 43mm · 46.83g
Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.
Water resistance
Casio A158: 30m
Timex T80: 30m
Water resistance is similar on paper, so focus on fit, features, and price instead.
Price and value
Casio A158: $30
Timex T80: $42
There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.
Style and use case
Casio A158: digital
Timex T80: digital
Both lean into a similar digital use case — the choice is more about fit, features, and price than category.
Crystal and materials
Casio A158: acrylic crystal · resin
Timex T80: acrylic crystal · steel
Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.
Casio A158 and Timex T80 get compared constantly because both are digital/casual watches, they are within 0.8mm of each other in case width, they share the same quartz movement — so the spec sheet alone will not tell you which to buy.
Timex T80 — Casio A158 uses a resin case, Timex T80 a steel case — that changes both weight and how premium it feels.
Timex T80 for most buyers — Casio A158 uses a resin case, Timex T80 a steel case — that changes both weight and how premium it feels. Go with Casio A158 instead if you have a smaller wrist — Casio A158 is 36.8mm lug-to-lug vs 43mm.
Sources: https://theslenderwrist.com/casio-f91w-vs-a158w/
Casio A158 is often the value play at current pricing, while Timex T80 makes more sense if you will use its extra features regularly.
There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.
Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.
Prices change often, so compare the latest listings and condition options before you buy.
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Casio A158
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Timex T80
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Casio A158 — it is 36.8mm lug-to-lug versus 43mm, and lug-to-lug is what decides whether a watch overhangs a smaller wrist.
They are rated the same, so water resistance will not decide this. Choose on strap material and how much you mind scratching the case.
Casio A158 is the value pick at roughly $12 less. Pay more only if a specific difference above matters to you — otherwise the cheaper one is the smarter buy. Confirm live listings, since marketplace pricing moves.
Casio A158 uses a resin case, Timex T80 a steel case — that changes both weight and how premium it feels. That is the difference you will notice day to day; the rest of the specs are close enough not to matter.
Timex T80 for most buyers — Casio A158 uses a resin case, Timex T80 a steel case — that changes both weight and how premium it feels. Go with Casio A158 instead if you have a smaller wrist — Casio A158 is 36.8mm lug-to-lug vs 43mm.
Evidence & Method
This page currently relies on normalized catalog fields and calculated differences. No external reviewer observation is used in its verdict.
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