Casio LF-40W Adds a Graphic LCD for ¥4,400

Casio LF-40W-1A with a black resin case and matching strap.
Casio LF-40W-1A with a black resin case and matching strap. Photo: Casio

Casio’s LF-40W introduces a graphic LCD display at a Japanese list price of ¥4,400, including tax. Listed by Casio as a November 2026 release, the series separates ordinary timekeeping from three rows of rectangular indicators. Black, blue and gray versions share the same display layout.

Seconds drawn as bars

The upper screen shows the time and calendar information. Immediately below it, a status row indicates whether the alarm, hourly signal, button sounds and daylight saving setting are active. The remaining two rows follow the passing seconds: one advances in ten-second increments, while the other marks individual seconds.

An amber LED illuminates the screen. The wearer can select a lighting duration of either 1.5 or three seconds, with an afterglow function. Button sounds can be switched off without removing the visual status indicators.

The LF-40W-1A display illuminated by its amber LED.
The LF-40W-1A display illuminated by its amber LED. Photo: Casio

World time in a compact square case

The world-time function includes UTC alongside its city selections. Four selected cities can be retained in Multi Time, and the home and world-time cities can exchange roles. The display supports both 12- and 24-hour timekeeping.

A stopwatch measures hundredths of a second and records split times or separate first- and second-place finishes. The countdown timer can be set as far ahead as 24 hours. Five alarms can operate daily or just once, and the automatic calendar runs through 2099.

The square case and its glass are resin. Casio uses bio-based resin for the band and specifies a total weight of 23 grams. The band accommodates circumferences from 125 to 200 mm.

Casio’s official photograph of the LF-40W color options.
Casio’s official photograph of the LF-40W color options. Photo: Casio

Specifications and Japanese pricing

  • Reference: LF-40W-1A, black; LF-40W-2A, blue; LF-40W-8A, gray.
  • Case: 37.8 × 33.7 × 8.6 mm, length × width × height.
  • Movement: Digital quartz; rated accuracy ±30 seconds per month.
  • Battery life: Approximately three years on one CR1616.
  • Water resistance: everyday use (splashes, rain), as specified by Casio.
  • Price: ¥4,400 including tax in Japan.

Sources: Casio, Japanese model page; Casio, specifications and display functions; Gear Patrol, November 3, 2026.

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