Casio CMK-100 Series Automatic CMK-100TC-1A

The tradition of mechanical watchmaking meets the spirit of classic field watches, with a design inspired by tool watches and created to ensure durability, legibility, and comfort in everyday wear. The 38 mm titanium case, with a thickness of 11.4 mm, is lightweight and corrosion-resistant, thanks also to the ion-plating treatment and titanium carbide (TiC) coating, which increases abrasion resistance. The crown and screw-down case back, together with the scratch-resistant sapphire crystal, complete a construction designed to last over time.

The three-hand dial with date display features a delicately textured finish and large Arabic numerals with a multilayer phosphorescent coating, to ensure excellent legibility even in low-light conditions. Inside it operates a Made in Japan automatic movement, equipped with resistance to magnetic fields.

Available in three different configurations: integrated titanium bracelet, lightweight and comfortable, durable nylon strap or vegetable-tanned Tuscan leather strap, which develops over time a characteristic shine and an increasingly personal character. An automatic watch that combines outdoor aesthetics, refined materials, and functionality, adapting naturally to every occasion.

Case dimensions (H × W × D): 44.7 × 38 × 11.4 mm

Weight: 55 g

Case and bezel material: Titanium

Strap: Fabric and synthetic leather

Structure: Magnetic resistance

Water resistance: Water-resistant up to 10 bar

Movement type: Automatic mechanism with manual winding

Crystal: Sapphire

Crown: Screw-down

Case back: Screw-down

Surface treatment: Bezel with titanium carbide coating

Adjustable strap length: From 145 to 215 mm

Run timing – Power reserve: Approximately 42 hours of power reserve

Accuracy – Average daily rate: From −20 to +40 seconds

Other features: Date display

Hacking function: Seconds hand stop

Number of jewels: 21

Frequency: 21,600 vibrations per hour

Time display: Analog with 3 hands (hours, minutes, and seconds)