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Apple Watch SE 3 40mm watches

We have found 2 Apple Watch SE 3 40mm watches, all pre-owned from 2 different sites. Compare models, conditions and prices across a wide selection of pre-owned smartwatches to find the right fit for your wrist and budget. Read more

2 Deals

Quick summary

The Apple Watch SE 3 40mm is a compact, capable smartwatch that brings core Apple Watch features at a lower cost than flagship models. Choosing a pre-owned Apple Watch SE 3 40mm can save you money while still giving you reliable performance for fitness tracking, notifications and safety features. Explore the Apple smartwatches category or find the larger sibling at Apple Watch SE 3 44mm and other SE models via Apple Watch SE.

What sets the Apple Watch SE 3 40mm apart?

Launched in 2024, the SE 3 40mm blends size and value. Key features include:

  • 40 mm aluminium case — compact fit for smaller wrists and a lighter feel during workouts.
  • Updated system chip — faster app launch and smoother animations compared with earlier SE models.
  • Bright Retina display — clear text and workout stats at a glance, indoors and outdoors.
  • Fitness and health tracking — heart rate monitoring, activity rings and sleep tracking to support daily goals.
  • Safety features — Emergency SOS and Crash Detection help keep you connected in urgent situations.
  • GPS with optional cellular — navigation and music on the go without your phone, where cellular models are available.

Which models are part of the SE family?

The SE family includes the original Apple Watch SE, the SE 3 in two sizes and other SE model variants. On Relovie you can compare the 40 mm and 44 mm SE 3, plus earlier SE releases. The main links to explore are the Apple Watch SE collection and the Apple Watch SE 3 44mm.

Feature SE 3 40 mm SE 3 44 mm
Display size Smaller, easier for small wrists Larger, better for readability
Battery Slightly shorter runtime Slightly longer runtime
Comfort Lighter on the wrist More presence on the wrist
Best for Minimalist users and small wrists Users who want a bigger screen and longer battery

How to choose a pre-owned Apple Watch SE 3 40mm?

When comparing pre-owned options, here are useful things to consider:

  • Condition grade — use Relovie filters to compare condition grades and photos from the seller.
  • Battery health — battery capacity can affect daily use. Look for listings that mention battery condition or offer a warranty.
  • Model details — verify GPS versus GPS + cellular and the case material in the product description.
  • Included accessories — check whether the charger and straps are included or if you need to add them separately.
  • Return policy and warranty — prefer listings that include a return window or refurbishment warranty for extra peace of mind.
  • Original retail price — compare the pre-owned asking price to the original retail price to gauge value.

Price guide and filtering

There are currently available pre-owned products priced between 199 and 200. Use price, condition and brand filters to narrow results and find the best match for your budget and needs.

FAQ

Does a pre-owned Apple Watch SE 3 40mm come with a warranty?

Warranty terms vary by seller. When you click through from Relovie you can see each listing's warranty or return policy in the product details.

Will an SE 3 40 mm work with my iPhone?

Apple Watch requires an iPhone that meets the watchOS compatibility for that model. See the seller's listing for exact compatibility or click through to the product page for full specs.

How long does the battery last on the SE 3?

Battery life depends on usage. Typical daily use is similar to previous SE models, but individual listings may note battery health for pre-owned units.

Can I get cellular on a pre-owned SE 3 40mm?

Yes, some listings are for GPS + Cellular models. Check the product description to confirm and be aware activation requires a compatible carrier plan.

Find and buy Apple Watch SE 3 40mm watches via Relovie – the largest collection of pre-owned and refurbished electronics online.