Product Description

The Citizen Promaster Land CB5039-11L Eco-Drive Radio Controlled Watch is a professional field watch designed for explorers and travelers who require precision and durability.

Part of the Citizen Promaster Land collection, this model combines rugged outdoor performance with a sporty design inspired by motorsports.

Powered by Citizen Eco-Drive, the watch converts sunlight and indoor light into energy, eliminating the need for battery replacement. Once fully charged, it can operate for up to 3 years in power-save mode.

The watch features radio-controlled timekeeping, receiving atomic time signals from Japan, China, the United States, and Europe to maintain extremely accurate time automatically.

With Direct Flight world time functionality, users can easily adjust to local time in different countries with simple operation.

A sapphire crystal with anti-reflective coating, 20 bar water resistance, and luminous hands and indexes ensure excellent visibility and durability in various environments.

Key Features

☀ Eco-Drive Solar Power
Converts light into energy, eliminating the need for battery replacement.

📡 Radio Controlled Atomic Timekeeping
Receives time signals from Japan, China, USA, and Europe.

🌍 World Time Function (24 Time Zones)
Quickly switch between global time zones using Direct Flight technology.

⏱ Chronograph Function

• 1/1 second chronograph
• Up to 60 minutes measurement

🧭 Adventure-Ready Design

• Blue and warm gold plated case accents
• Luminous hands and indexes
• Durable outdoor field watch styling

💎 Sapphire Crystal

• Anti-reflective coating for clear visibility

Specifications

Functions

• Radio controlled time signal reception (Japan / China / USA / Europe)
• Automatic station selection
• Scheduled and manual reception
• World time (24 time zones)
• Direct Flight time adjustment
• Perpetual calendar
• Day & date display
• 24-hour indicator
• 1/1 second chronograph (60 minutes)
• Alarm function
• Summer time function
• Power reserve indicator
• Charge warning function
• Overcharge prevention function
• Power save function