Citizen Watch: Promaster Sky Chronograph Ca4664-60W

Citizen CA4664-60W : Promaster Sky Chronograph Eco-Drive

The Citizen Promaster Sky Chronograph CA4664-60W stands out as a pilot's watch from Citizen's Promaster Sky collection. With its 40 mm diameter stainless steel case, the Citizen Promaster Sky features a textured green dial, a slide-rule bezel, and an elegant steel bracelet.

Powered by the Eco-Drive B620 solar caliber, the Citizen Promaster Sky never requires a battery change. It also offers a 1/5 second chronograph for up to 60 minutes, a 12/24h display, and a date window. Water-resistant to 200 meters (20 bar) and protected by an anti-reflective sapphire crystal, the Citizen Promaster Sky combines performance, legibility, and reliability.

The Citizen Promaster Sky Eco-Drive Chronograph is a watch designed for aviation enthusiasts and fans of technical, accessible timepieces. With its design inspired by aircraft instruments, it offers both functionality and elegance.

Technical specifications

• Brand: Citizen

• Model: Promaster Sky Eco-Drive Chronograph CA4664-60W

• Movement: Eco-Drive caliber B620 (solar powered, up to 270-day power reserve, ±15 s/month)

• Case: Stainless steel

• Diameter: 40 mm

• Thickness: ≈ 13 mm

• Crystal: Anti-reflective sapphire

• Dial: Green, luminescent indices, chronograph function, 12/24h display, date

• Strap: Stainless steel three-link bracelet, double push-button clasp

• Water resistance: 200 m (20 bar)

• Functions: 1/5 second chronograph up to 60 minutes, 12/24h, date

• Weight: ≈ 156 g

• Warranty: 2 years (standard Citizen)

Why choose this watch?

The Citizen Promaster Sky is an ideal choice for fans of technical watches who are looking for both a polished design and advanced functionality. With its durable Eco-Drive solar movement, robustness (200m water resistance), and pilot chronograph style, the Citizen Promaster Sky is well-suited for both professional and athletic use.

About the Citizen brand?

Citizen, founded in 1918, is a pillar of Japanese watchmaking. Renowned for its innovations (Eco-Drive, Super Titanium), it remains true to its mission: creating accessible watches that combine aesthetics, reliability, and technology. The Citizen Promaster Sky is the perfect example, bringing together professional performance and Citizen-caliber innovation at an affordable price.