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
CompactCase covers 49% of your modeled wrist width.
Physical footprint
Clear spaceEstimated clearance: 11.8 mm per side.
Watch B
Visual presence
BoldCase covers 70% of your modeled wrist width.
Physical footprint
Clear spaceEstimated clearance: 4.8 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.
Start with the specifications that meaningfully differ. Expand the complete table for reference details and missing-data context.
| Specification | Seiko 5 Sports | Seiko Spirit Green |
|---|---|---|
| Pricing | ||
| MSRPSpirit Green is $210 less at MSRP | $350 | $140 |
| New PriceSpirit Green is $113.8 less based on the current snapshot | $299 | $185 |
| Used Price (Low)5 Sports is $15.8 less at the low end | $142 | $158 |
| Used Price (High) | $390 | $557 |
| 30-Day Trend | 0.0% | ↓ -12.5% |
| Used Price Range | $142 - $390 | $158 - $557 |
| Identity | ||
| Style | Sports, Casual | Dress |
| Dimensions | ||
| Diameter5 Sports is 11.8mm smaller | 28mm | 39.8mm |
| Thickness5 Sports is 0.4mm thinner | 11.2mm | 11.6mm |
| Weight5 Sports is 13g lighter | 69g | 82g |
| Lug Width | 14mm | 20mm |
| Lug to Lug | 33.1mm | 47mm |
| Movement | ||
| Movement | Automatic | Quartz |
| Case | ||
| Crystal | Hardlex | Mineral Crystal |
| Dial | ||
| Dial Color | Black | Green |
| Luminous5 Sports includes luminous markers | ✓ Included | Not included |
2 fields are excluded from the differences view because one watch lacks comparable data. Use “All specs” to inspect those gaps.
Seiko 5 Sports 28mm and Seiko Spirit Green can look close on a spec sheet, yet the tradeoffs that matter most are usually mechanical feel versus low-maintenance convenience, wrist presence versus easier fit, sports character versus dress versatility. 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 Seiko 5 Sports 28mm if you want a smaller case footprint on the wrist; choose Seiko Spirit Green if you prefer more dial presence and a larger case feel.
Choose Seiko 5 Sports 28mm when
Seiko 5 Sports 28mm is a better fit for smaller wrists, mechanical-watch enthusiasts, sports styling.
Choose Seiko Spirit Green when
Seiko Spirit Green is a better fit for buyers who want more wrist presence, low-maintenance daily wear, dress styling.
Movement and upkeep
Seiko 5 Sports 28mm: automatic movement
Seiko Spirit Green: quartz movement
Seiko 5 Sports 28mm uses a automatic movement, while Seiko Spirit Green uses a quartz movement — that changes day-to-day ownership, upkeep, and the overall feel on the wrist.
Size and wearability
Seiko 5 Sports 28mm: 28mm · L2L 33.1mm · 69g
Seiko Spirit Green: 39.8mm · L2L 47mm · 82g
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
Seiko 5 Sports 28mm: 100m
Seiko Spirit Green: 100m
Water resistance is similar on paper, so focus on fit, features, and price instead.
Price and value
Seiko 5 Sports 28mm: $299
Seiko Spirit Green: $140
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
Seiko 5 Sports 28mm: sports
Seiko Spirit Green: dress
Seiko 5 Sports 28mm leans more sports, while Seiko Spirit Green pulls toward dress use case — pick the one that matches how you will actually wear it.
Crystal and materials
Seiko 5 Sports 28mm: Hardlex crystal · steel
Seiko Spirit Green: mineral crystal · steel
Crystal choice can change long-term wear expectations — one may prioritize scratch resistance while the other keeps cost or vintage feel in check.
Seiko Spirit Green is often the value play at current pricing, while Seiko 5 Sports 28mm 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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Seiko 5 Sports
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Seiko Spirit Green
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Quartz and solar models are usually easier for grab-and-go use, while automatic and manual watches appeal more to buyers who enjoy the mechanical side of watch ownership.
Seiko 5 Sports 28mm — it is 33.1mm lug-to-lug versus 47mm, 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.
Seiko Spirit Green is the value pick at roughly $159 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.
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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