Standard Chronograph with Black Dial and Sapphire Crystal

Experience refined elegance with the Casio Edifice EFB-730D-1AVUDF Standard Chronograph, featuring black dial with sapphire crystal and stainless steel band in a 40mm stainless steel case. This chronograph watch combines 1-second stopwatch precision with premium sapphire quality—perfect for professionals and everyday wear enthusiasts who want classic black dial styling with reliable chronograph functionality and sapphire scratch resistance.

Key Features:

• Black Dial Design: Classic, sophisticated aesthetic for elegant styling
• Sapphire Crystal: Superior scratch resistance and exceptional clarity
• 1-Second Stopwatch: Precision chronograph with 59'59 measuring capacity
• 40mm Stainless Steel Case: Refined proportions with 11mm profile
• Solid Stainless Steel Band: Durable construction with one-touch 3-fold clasp
• Three Sub-Dials: 24-hour, stopwatch minutes, and stopwatch seconds
• Chronograph Modes: Elapsed time, split time, and 1st-2nd place times
• Date Display: Practical calendar function for daily use
• Quartz Movement: Reliable accuracy (±20 seconds per month)
• 3-Year Battery Life: Extended power on SR920SW battery
• 100M Water Resistance: Suitable for swimming and water sports

Why Choose This Watch?

The EFB-730D-1AVUDF delivers 1-second chronograph functionality with classic black dial and premium sapphire crystal for superior scratch resistance. The sapphire crystal provides exceptional clarity suitable for business and formal occasions, while the 40mm case provides refined proportions. The solid stainless steel band with one-touch 3-fold clasp provides durable construction and secure fit, and the 3-year battery life reduces maintenance frequency. Perfect for professionals seeking black dial timeless styling with sapphire quality, everyday wear enthusiasts valuing reliable chronograph performance with premium materials, and buyers wanting extended 3-year battery life with durable stainless steel construction and 100M water resistance.