The Casio Edifice EFB-730D series is a sporty and sophisticated analog chronograph collection inspired by the design of classic sports cars. The watches feature striking index bars and the iconic 3-6-9 inset dial layout, giving them a distinctive motorsport-inspired appearance.

All four models combine a stainless-steel case, solid stainless-steel bracelet, and highly scratch-resistant sapphire crystal. With a relatively compact 40 mm case width, the EFB-730D offers a refined profile that can transition easily from casual occasions to business meetings.

The watches feature a practical 1-second chronograph, date display, three sub-dials, and 100-meter water resistance. The primary differences between the four variants are their dial colors and accent styling. The official Casio listings confirm the shared technical specifications of the EFB-730D family.

Casio Edifice EFB-730D-1AVUDF

Design

• Dial Color: Black / Dark
• Case Color: Silver Stainless Steel
• Band Color: Silver Stainless Steel
• Display: Analog Chronograph
• Glass: Sapphire Crystal
• Style: Sporty / Classic
• Date Display: Yes
• Band: Solid Stainless-Steel Bracelet
• Clasp: One-Touch 3-Fold Clasp
• Case: Stainless Steel
• Back: Screw-Lock Back

Product Description

The EFB-730D-1AVUDF features a bold black dial paired with a silver stainless-steel case and bracelet. The contrasting dial and striking index bars give it a sporty character, while the sapphire crystal and solid bracelet add a premium feel. Its black-and-silver color combination makes it versatile for everyday, business, and casual wear.

Casio Edifice EFB-730D-2AVUDF

Design

• Dial Color: Blue
• Case Color: Silver Stainless Steel
• Band Color: Silver Stainless Steel
• Display: Analog Chronograph
• Glass: Sapphire Crystal
• Style: Sporty / Classic
• Date Display: Yes
• Band: Solid Stainless-Steel Bracelet
• Clasp: One-Touch 3-Fold Clasp
• Case: Stainless Steel
• Back: Screw-Lock Back

Product Description

The EFB-730D-2AVUDF features an elegant blue dial paired with a silver stainless-steel case and solid stainless-steel bracelet. The blue dial gives the watch a sophisticated and premium appearance, while the sporty chronograph layout adds a dynamic motorsport-inspired character.

Its sapphire crystal provides excellent scratch resistance, while the 100-meter water resistance makes it suitable for everyday wear. This model is a great choice for customers looking for a versatile chronograph that can transition from casual occasions to business meetings.

Casio Edifice EFB-730D-2BVUDF

Design

• Dial Color: Blue / Dark Blue
• Case Color: Silver Stainless Steel
• Band Color: Silver Stainless Steel
• Display: Analog Chronograph
• Glass: Sapphire Crystal
• Style: Sporty / Classic
• Date Display: Yes
• Band: Solid Stainless-Steel Bracelet
• Clasp: One-Touch 3-Fold Clasp
• Case: Stainless Steel
• Back: Screw-Lock Back

Product Description

The EFB-730D-2BVUDF features a sophisticated blue-toned dial combined with a silver stainless-steel case and solid bracelet. The blue dial gives this variant a more distinctive and contemporary appearance while retaining the sporty 3-6-9 chronograph design of the EFB-730D series.

Casio Edifice EFB-730D-3AVUDF

Design

• Dial Color: Green
• Case Color: Silver Stainless Steel
• Band Color: Silver Stainless Steel
• Display: Analog Chronograph
• Glass: Sapphire Crystal
• Style: Sporty / Classic
• Date Display: Yes
• Band: Solid Stainless-Steel Bracelet
• Clasp: One-Touch 3-Fold Clasp
• Case: Stainless Steel
• Back: Screw-Lock Back

Product Description

The EFB-730D-3AVUDF features a distinctive green dial that gives the classic EFB-730D design a more contemporary and eye-catching character. The silver stainless-steel case and bracelet provide a versatile contrast, while sapphire crystal offers enhanced resistance to scratches.

Casio Edifice EFB-730D-7AVUDF

Design

• Dial Color: Silver / White
• Case Color: Silver Stainless Steel
• Band Color: Silver Stainless Steel
• Display: Analog Chronograph
• Glass: Sapphire Crystal
• Style: Sporty / Classic
• Date Display: Yes
• Band: Solid Stainless-Steel Bracelet
• Clasp: One-Touch 3-Fold Clasp
• Case: Stainless Steel
• Back: Screw-Lock Back

Product Description

The EFB-730D-7AVUDF features a clean silver/light dial with a matching stainless-steel case and bracelet. This is the most versatile color option in the collection and is well suited to customers looking for a classic watch that can be paired with business, formal, and casual outfits. Casio officially lists the EFB-730D-7AV as part of this same 3-6-9 chronograph collection.

Key Features 

• Analog Display
• Quartz Movement
• 3-Hand Timekeeping
• Hour, Minute and Second Hands
• Analog Chronograph
• 1-Second Stopwatch
• Measuring Capacity: 59 Minutes 59 Seconds
• Elapsed Time Measurement
• Split Time Measurement
• 1st–2nd Place Times Measurement
• Date Display
• 3 Chronograph Sub-Dials
• 24-Hour Dial
• Stopwatch Minutes Dial
• Stopwatch Seconds Dial
• Stainless-Steel Case
• Solid Stainless-Steel Bracelet
• One-Touch 3-Fold Clasp
• Sapphire Crystal
• Screw-Lock Back
• 100M Water Resistance
• 10 BAR Water Resistance
• Sporty Motorsport-Inspired Design
• Classic 3-6-9 Inset Dial Layout
• Scratch-Resistant Sapphire Crystal
• Approximately 3-Year Battery Life
• Suitable for Casual Wear
• Suitable for Business Wear
• Suitable for Formal / Semi-Formal Wear

Specifications 

• Brand: Casio
• Collection: Edifice
• Series: EFB-730D
• Model 1: EFB-730D-1AVUDF
• Model 2: EFB-730D-2BVUDF
• Model 3: EFB-730D-3AVUDF
• Model 4: EFB-730D-7AVUDF
• Base References: EFB-730D-1AV / EFB-730D-2BV / EFB-730D-3AV / EFB-730D-7AV
• Gender: Men's
• Movement: Quartz
• Display Type: Analog
• Timekeeping: 3 Hands — Hour, Minute, Second
• Chronograph: Yes
• Date Display: Yes
• Case Material: Stainless Steel
• Bezel Material: Stainless Steel
• Band Material: Stainless Steel
• Band Type: Solid Stainless-Steel Band
• Clasp: One-Touch 3-Fold Clasp
• Glass: Sapphire Crystal
• Back Plate: Screw-Lock Back
• Water Resistance: 100 Meters / 10 BAR
• Case Size: 47 × 40 × 11 mm
• Weight: Approximately 136 g
• Compatible Wrist Size: 150–205 mm
• Accuracy: ±20 Seconds per Month
• Battery: SR920SW
• Approximate Battery Life: 3 Years
• Power System: Battery Powered
• Smartphone Connectivity: No
• Solar Powered: No
• Bluetooth: No
• World Time: No
• Alarm: No
• LED Light: No

Stopwatch / Chronograph Specifications

• Stopwatch Resolution: 1 Second
• Maximum Measuring Capacity: 59 Minutes 59 Seconds
• Measurement Modes:
  • Elapsed Time
  • Split Time
  • 1st–2nd Place Times
• Chronograph Sub-Dials: 3
  • 24-Hour Dial
  • Stopwatch Minutes
  • Stopwatch Seconds

In the Box

• Casio Edifice EFB-730D Series Watch
• Original Casio Edifice Presentation Box
• Instruction Manual
• Warranty Card