Titanium Bezel | PVD-Coated Case | Rare Collectible

The Citizen Helmet Automatic Ref. 4-650972K is a bold statement from the golden era of Japanese watchmaking. Its distinctive helmet-shaped case and brushed titanium bezel encapsulate the futuristic design language of the 1970s. The deep gold dial, day-date display, and 21-jewel automatic movement make it a perfect example of Citizen’s innovative spirit during a time when Japanese watchmaking was redefining global standards.

What sets this model apart is the PVD-coated case—a rarity in vintage Citizen pieces—paired with its unique case geometry and mechanical durability. The Helmet series earned its cult status among collectors for combining experimental design with proven reliability.

Key Features

• Japan-made 21-jewel automatic movement
• Titanium bezel and PVD-coated stainless-steel case
• Helmet-style design (circa 1970s)
• Gold sunburst dial with day-date display
• Applied indices and luminous hands
• Screw-down stainless-steel caseback (Ref. 4-650972K)
• Signed “Citizen Automatic” dial
• Fitted with an 18mm black leather strap