The Citizen Promaster Blue Ocean: A Dive Watch with an Eco-Conscious Edge
Citizen has made a significant mark in the watch industry over the past 50 years by prioritizing clean energy. The latest addition to their collection, the Citizen Promaster Blue Ocean, showcases this commitment while offering a stunning design that is sure to catch the eye of both divers and watch enthusiasts alike.
A Sustainable Approach to Luxury
The Blue Ocean model, limited to just 8,700 pieces worldwide, represents Citizen’s innovative spirit. It is equipped with an aquatically vibrant dial crafted from recycled plastics, and the use of pigment-free inks from Fujifilm gives this watch its luminous colors through a technique called Structural Color Inkjet Technology. This not only enhances the visual appeal, but it also reduces environmental impact, aligning perfectly with growing consumer demands for sustainable products.
The strap, made from Benebiol, a biobased material derived from biomass, further enhances the watch’s sustainability credentials. This material is specifically designed to improve durability while ensuring that the watch remains environmentally friendly.
Advanced Features and Specifications
The Citizen Promaster Blue Ocean is not just about looks; it’s equipped with cutting-edge technology. Powered by the Eco-Drive E168, the watch boasts an impressive 180-day power reserve without requiring any light supply. With a robust 44 mm stainless steel case, the watch is water-resistant up to 20 bar, meeting the rigorous ISO 6425 standard for diving watches. This makes it suitable for a wide range of aquatic activities, from leisurely swimming to serious diving.
Key Specifications
- Model: BN0167-09W
- Launch: June 2026
- Price: €329
- Limitation: 8,700 pieces worldwide
- Case: Stainless steel
- Strap: Benebiol (biobased polyurethane)
- Glass: Mineral crystal
- Weight: 94g
Eco-Drive Technology: A Game changer
Citizen’s commitment to sustainability extends to its Eco-Drive technology, which powers the watch using any natural or artificial light source. This eliminates the need for battery changes, making it not just an eco-friendly option, but also a convenient one for users.
Understanding Structural Color Technology
The striking dial of the Blue Ocean is one of its standout features. The pigment-free ink allows for a dynamic range of colors that change based on lighting conditions, creating a mesmerizing effect. This innovative approach to color not only sets the watch apart aesthetically but also represents a significant advancement in watchmaking technology.
Conclusion: A Watch for the Future
In a world increasingly focused on sustainability, the Citizen Promaster Blue Ocean stands out as a remarkable accomplishment that blends aesthetic beauty, technological innovation, and environmental responsibility. Whether you’re an avid diver or a watch collector, the Blue Ocean offers an array of features that cater to both functionality and eco-conscious values. As we move into an era where mindful consumption is more important than ever, this limited edition watch serves as a perfect case study in how luxury and sustainability can coexist harmoniously.
With its unique features and commitment to sustainability, this watch is not just a timepiece but a statement. The Citizen Promaster Blue Ocean is set to make waves in the watch industry when it launches in June 2026, and it invites you to be a part of its journey.

