We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular digital watch with calculator buttons and resin strap

CASIO

CASIO CA-53W-1ZDR Calculator Watch 34.00 mm

SKU CH-V9K5-QXAN9

A digital sports watch with an 8-digit calculator, dual time and date display in a resin case and strap

  • Watch movementQuartz
  • Product shapeRectangle
  • Display typeDigital
  • Date displayDate
  • Strap materialResin
  • Closure typeBuckle Clasp
  • 8-digit calculator handles quick sums on the wrist
  • Quartz movement keeps accurate time without winding
  • Resin case and strap resist daily knocks and splashes
  • Digital display shows dual time and day-date at a glance
  • Buckle clasp secures the watch for active use

Classic calculator watch

The Casio CA-53W-1ZDR combines a quartz movement with an integrated eight-digit calculator in a rectangular resin case. A digital display shows the time, day and date while a buckle clasp secures the resin strap. The model is aimed at users who want basic arithmetic on the wrist without a smartphone.

Everyday arithmetic performance

The calculator handles constants for addition, subtraction, multiplication and division during sustained use. Quartz timing keeps the display stable while the dual-time function runs in the background. Splash-resistant construction protects the module from light moisture during daily wear.

Wrist-worn calculation limits

The fixed eight-digit display restricts the length of numbers that can be entered or shown at once. No scientific functions, memory registers or data ports are provided. Buyers who need more digits, advanced math or connectivity will require a separate device.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $46.99
Cheaper than about 79% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Design styleSports
Item conditionNew
Display
Display typeDigital
Size & build
Main materialResin
Product shapeRectangle
Strap materialResin
Closure typeBuckle Clasp
Bezel typeFixed Bezel
Housing materialResin
Case size34 mm
Environment & compliance
Water resistanceSplash Resistant
More details
Watch movementQuartz
Date displayDate
Suitable forMale

Questions about this item

Does the calculator function drain the quartz battery quickly during all-day use?

The quartz movement powers both timekeeping and the 8-digit calculator without a separate power source, so normal calculator use does not noticeably shorten battery life.

What strap size or tool is needed to adjust the resin band on this 34.00 mm case?

The resin strap uses a standard buckle clasp with pre-punched holes; no tools are required — simply choose the hole that fits your wrist.

Will the dual-time display stay readable if I keep wearing an older analog watch on the other wrist?

Yes, the digital display shows a second time zone independently, so you can reference it alongside any analog watch without interference.

More in Analog & Digital Wristwatches

Similar items