Product Description

The Citizen Promaster Marine BN0167-50H Eco-Drive Diver Watch combines professional diving performance with a refined design inspired by natural ice caves.

Part of the Citizen Promaster Marine series, this model meets the strict ISO 6425 certification for diver watches, ensuring durability, safety, and excellent underwater visibility.

The dial features a pearl gray finish inspired by the darkness inside ice caves, giving the watch a subtle shine and depth while maintaining a sophisticated appearance.

Built for serious underwater use, the watch includes luminous hands and indexes, a unidirectional rotating bezel, and a screw-lock crown to ensure safety and reliability while diving.

Powered by Citizen Eco‑Drive technology, the watch converts both sunlight and indoor light into energy, eliminating the need for battery replacement. Once fully charged, it can operate for approximately six months without additional light exposure.

Key Features

🌊 ISO 6425 Certified Diver Watch
Professional diving performance with 200m water resistance.

☀ Eco-Drive Solar Powered Movement
Runs on any light source and eliminates battery replacement.

🧊 Ice Cave Inspired Pearl Gray Dial
Subtle glossy gray dial inspired by the mysterious interior of ice caves.

🔦 Excellent Visibility Underwater
Luminous hands and indexes ensure readability in dark environments.

⚙ Professional Diving Construction

• Unidirectional rotating bezel
• Screw-lock crown
• Magnetic resistance
• Shock detection function

⌚ Durable Stainless Steel Bracelet
Equipped with a ratchet double-holding buckle for secure adjustment.

Specifications

Functions

• Unidirectional rotating bezel
• Screw-lock crown
• Luminous hands & indexes
• Ratchet double holding buckle
• Date display
• Quick date correction
• Charge warning function
• Overcharge prevention function
• Quick start function
• Shock detection function
• Approx. 6 months operation after full charge