The Casio Edifice Chronograph Watch EFS-S660PB-1AVDF features a stainless steel case with a gray ion-plated finish and a black ion-plated tachymeter bezel. Equipped with solar-powered operation, it delivers approximately 5 months of run time on a full charge alongside a low battery alert.

Its dial is protected by a sapphire crystal with an anti-reflective coating and includes analog regular timekeeping with three hands, three subdials, and a date display. The integrated 1/20-second stopwatch measures elapsed time, split times, and 1st-2nd place times up to 59 minutes and 59.95 seconds.

Fitted with a durable resin band, this timepiece offers 100-meter water resistance for versatile daily wear.

Key Features

Stopwatch	1/20-second stopwatch
Measuring capacity	59'59.95''
Measuring modes	Elapsed time, split time, 1st-2nd place times
Battery display/alert	Low battery alert
Run time	Operating time from full charge until hands stop: Approx. 5 months
Accuracy	±20 seconds per month
Regular timekeeping	Analog: 3 hands (hour, minute, stopwatch seconds), 3 dials (timekeeping second, stopwatch 1/20 second, stopwatch minutes)
Date display	Date display
Glass	Sapphire crystal with anti-reflective coating
Bezel features	Tachymeter
Surface treatment	Gray ion plated case, Black ion plated bezel
Case and bezel material	Stainless steel
Band material	Resin Band
Water resistance	100 m
Power supply and battery life	Solar powered
Case size (L× W× H)	45.3 × 38.3 × 11.6 mm
Weight	71 g

Highlights

Solar-powered movement with up to 5 months operating time on a full charge
Sapphire crystal with anti-reflective coating
100-meter water resistance
1/20-second chronograph stopwatch and tachymeter bezel
Stainless steel case with ion plating and durable resin band

Frequently asked questions

What powers the Casio Edifice EFS-S660PB-1AVDF?

This watch is solar powered and operates for approximately 5 months from a full charge until the hands stop.

What type of crystal protects the dial?

The watch features a sapphire crystal with an anti-reflective coating.

What is the water resistance rating of this watch?

It features a water resistance rating of 100 meters.

What are the case dimensions and weight?

The case measures 45.3 × 38.3 × 11.6 mm, and the total weight is 71 g.

What stopwatch functions are available?

It includes a 1/20-second stopwatch with a measuring capacity of 59'59.95'' supporting elapsed time, split time, and 1st-2nd place times.

What materials are used for the case and strap?

The case is made of stainless steel with gray and black ion plating, paired with a resin band.

Casio Edifice Black Dial Solar Watch EFS-S660PB-1AVDF