Mechanics 3 min read
The simple science of quartz watches
Learn how a battery, a tiny crystal and a simple circuit work together to keep your quartz watch running with highly reliable accuracy every day.
Casio
EFR-571D-1AVUEF
Ref. EFR571D1AVUEF
Watch details and strap advice
- Case diameter
- 45 mm
- Case height
- 12 mm
- Case material
- Stainless Steel
- Water resistance
- 100 m
- Movement
- Quartz
- Dial
- Grey
The Casio EFR-571D-1AVUEF takes a 22 mm strap: measure between the lugs and that is the only number you need. We list 36 straps in that width. With a 45 mm case and 100 m of water resistance, a thicker strap balances the case. Quartz movement. Most straps here come with quick-release spring bars, so the swap takes a minute and no tool.
Straps by lug width (22 mm) 36
All 36 22 mm strapsWidth is a starting point. Check the case and end fittings before choosing.
-
Heritage CuffLeather€27.90 -
Rivet CuffLeather€29.90 -
Slim Colour LeatherLeather€24.90 -
Rivet RallyLeather€49.90 -
Dense Mesh SteelSteel€34.90 -
Diagonal WeaveNylon€24.90 -
Regatta StripeNylon€22.90 -
Camouflage Five RingNylon€27.90 -
Square Slot SiliconeSilicone€22.90 -
Vintage RallyLeather€34.90 -
Denim StitchNylon€22.90 -
Aviator BundLeather€39.90
Read before you choose
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Hamilton Murph: a watch with a story to tell
From Interstellar to everyday life: the story behind the Hamilton Murph 42 mm, the detail hidden on its seconds hand, and how to choose a strap that makes it yours.
Tutorial 6 min read
How to change a watch strap
Identify the attachment, release the correct part and check that both tips are seated. Illustrated instructions for quick-release bars, conventional bars and nylon pass-through straps.