EDIFICE EFV-640DC-3ADF

The Casio Edifice EFV-640DC-3ADF (also listed as EFV-640DC-3AVUDF) is a premium, “dark-themed” version of the octagonal series, featuring a vibrant dark green sunray dial set against a grey ion-plated (IP) stainless steel case and band. This graphite-like finish provides a sleek, titanium-like appearance that is significantly more scratch-resistant than standard stainless steel.

Core Specifications
Design & Build: Slim octagonal bezel with a hairline-brushed top and mirror-polished sides for high textural contrast.
Materials: Grey ion-plated stainless steel case and bracelet with a one-touch 3-fold clasp.
Dimensions: Ultra-slim profile at 10.8 mm thickness, with a 47.43.70 mm case.
Durability: 100 meters (10 bar) water resistance and scratch-resistant mineral glass.
Battery Life: Approximately 2 years on an SR920SW battery.

Key Features
1/10-Second Chronograph: High-precision stopwatch capable of measuring up to 60 minutes (59’59.9″).
Dial Details: Features three sub-dials (1/10-second, stopwatch minutes, and stopwatch seconds) and a date window at the 3 o’clock position.
Luminous Accents: Hands and indices are coated with a luminescent layer for improved legibility in the dark.