Citizen Eco-Drive Diver watch, steel, BN0266-07E
Black Citizen Eco-Drive Diver watch is an ISO 6425 certified dive watch with a unidirectional bezel and date display
The unidirectional dive bezel and ISO 6425 certification make this Citizen Eco-Drive Diver watch a true dive watch. Water resistance is 200 m / 20 atm and the dial reads Diver's 200m, so the watch is suitable for swimming, water sports and scuba diving. The black dial has large luminous indexes and luminous hands, a date display at three o'clock and an anti-reflective sapphire crystal on top.
The silver-coloured steel case is 40.55 mm wide and 11.7 mm thick. The black, 20 mm wide strap is a bio-based BENEBiOL strap that withstands wear, chemicals and moisture. The watch charges from light, has a power reserve of up to 365 days on a full charge, and the battery never needs to be replaced. Citizen is a Japanese watchmaker, and the 50th anniversary of Eco-Drive is celebrated in 2026.
Product number: BN0266-07E
Brand: Citizen
Product category: Men's watches
Movement: Eco-Drive / Solar
Power reserve on a full charge: up to 365 days
Features: Date display
Certification: ISO 6425 (dive watch)
Crystal: Sapphire crystal
Case material: Stainless steel
Case color: Silver/gray
Case width: 40.55 mm
Case thickness: 11.7 mm
Shape: Round
Dial color: Black
Luminous: Yes
Strap material: Polyurethane / plastic
Strap color: Black
Strap width (lug width): 20 mm
Water resistance: 200 m / 20 atm
Frequently asked questions
Is the watch suitable for scuba diving?
Yes. The watch is an ISO 6425 certified dive watch, and its water resistance is 200 m / 20 atm. Do not use the crown or buttons underwater or when the watch is wet.
Does the watch need a battery?
No. The Eco-Drive watch charges from light, and on a full charge the power reserve is up to 365 days.
What size is the watch?
The round case is 40.55 mm wide and 11.7 mm thick. The strap width between the lugs is 20 mm.
What material is the watch made of?
The case is stainless steel and the crystal is sapphire. The strap is black polyurethane, and it is a bio-based BENEBiOL strap.
















