Casio Edifice EFK-100: First Mechanical Watch Unveiled

Key Highlights: Casio’s Edifice EFK-100 Series

Casio has officially entered the mechanical watch arena with the Casio Edifice EFK-100, marking its first automatic (mechanical) timepiece in the Edifice lineup CasioPR Newswirespechtandsohne.comA Blog To Watch.
It features both automatic winding and manual winding capabilities, with a power reserve of around 40 hours, and showcases the movement through a transparent caseback.

Many models use forged carbon, a strong, lightweight material commonly used in high-performance cars producing a unique pattern for each dial and case Casio+1Tech.
Some variants use electroformed dials that mimic the forged carbon texture in lively blue, green, and white tones Casio+2Casio+2.

The watch is powered by the Seiko NH35A automatic movement, offering reliable performance including hacking seconds, manual winding, and 21,600 vph (3 Hz); typical accuracy ranges from –35 to +45 seconds per day.

Sizes are compact yet substantial (~39–40 mm diameter), with a slim profile (~12.5 mm thick), anti-reflective sapphire crystal, and water resistance up to 100 meters—ideal for everyday wear.

In Japan, pricing ranges approximately from ¥49,500 to ¥74,800 (~$340–$515 USD), depending on model and materials.
In the U.S., models start at $280 (blue and white dials) and $300 (forged carbon dial); a Japanese-only fully forged carbon case model is expected later G-Central G-Shock Fan.
In Europe, prices start around €279 for standard models, with higher €299 and €449 tiers for more premium versions
Availability began in July or August 2025, depending on region Casio The Adventures of Vesper.

Casio’s launch represents a meaningful shift melding traditional mechanical craftsmanship with Edifice’s famed motorsport-driven design philosophy Tech.
Although the use of the NH35A movement might be seen as modest, it’s a smart and accessible entry into mechanical watchmaking for the brand.