The D1 Milano Midnight Ultra Thin 40mm UTBJ21 features a 40mm case size.

• Case, bezel, and case back are constructed from sandblasted stainless steel with a blue PVD coating.
• The strap is also made of sandblasted stainless steel with a blue PVD coating.
• It utilizes a hidden butterfly clasp.
• The crystal is sapphire with an anti-reflective coating.
• Powered by a Citizen Miyota 1L22 quartz movement.
• Water resistance is rated at 5ATM.
• The watch weighs 110g.