How to Replace a Watch Battery Yourself: The Complete Guide
The Five-Minute Fix Most People Pay For
A dead quartz watch usually needs exactly one thing: a new battery. Shops charge $10–25 for this. With one tool and five minutes you can do it yourself — safely. Here is the complete walkthrough.
What You Need
- Case knife or case-back opener (for snap backs) or case wrench (for screw backs)
- Plastic tweezers — metal tweezers can short-circuit the new cell
- Replacement cell — check the number printed on the old battery (common types: SR626SW, CR2032)
- Soft cloth and good lighting
Step by Step
- Open the case back. Snap backs: find the lip notch, twist the case knife gently until it pops. Screw backs: fit the wrench pins into slots and turn counterclockwise.
- Note the battery orientation before removing — which side faces up, any clamp or spacer position.
- Remove the old cell with plastic tweezers. If a clamp screw holds it, loosen only — do not lose the tiny screw.
- Insert the new cell with plastic tweezers, matching the original orientation exactly. The watch should start immediately.
- Check the gasket — the rubber seal around the case back. Dry, cracked or deformed gaskets kill water resistance; replace if questionable.
- Close the case evenly. Snap backs press in with thumb pressure over the cloth; screw backs tighten snugly clockwise.
- Reset the time. Done — see our time-setting guide if hands need adjusting.
VK63 Chronograph Notes
Our VK63 chronograph line — including the Quartz Chronograph VK63 and Ice Blue VK63 — uses the same procedure. One extra tip: after battery replacement, reset the chronograph hand to zero using the pusher if it does not return automatically.
Battery Life Expectations
| Movement | Typical Cell Life |
|---|---|
| Standard three-hand quartz | 2–3 years |
| VK63 mecha-quartz chrono | 2–3 years |
| With heavy chronograph use | Shorter — stopwatch running drains cells faster |
Frequently Asked Questions
Can I use a cheaper generic cell?
Stick to name-brand cells of the exact type — leaky cheap batteries corrode movements.
My watch stopped but the battery looks fine?
Check for a plastic shipping spacer under the case back, then try a fresh known-good cell before assuming movement failure.
Is DIY risky?
For battery swaps, minimally. The main risks are scratched cases and disturbed gaskets — both avoidable with patience.