Citizen Promaster Marine EO2021-05L Eco-Drive Diver Watch
Product Description
Explore deeper waters with the Citizen Promaster Marine EO2021-05L Eco-Drive Diver Watch, a professional-grade dive watch designed for reliability and performance both underwater and on land.
Part of the Promaster MARINE Series, this watch is built to meet the strict ISO 6425 diver watch standards, ensuring durability, safety, and visibility for serious diving conditions.
The 36.5mm case size offers an ideal fit for both men and women, making it comfortable for slimmer wrists while still maintaining a strong sporty appearance. It can also be worn as a stylish pair watch.
Powered by Citizen’s Eco-Drive solar technology, the watch converts any light source into energy, eliminating the need for regular battery replacement. Once fully charged, it can operate for approximately 6 months without additional light.
Designed for underwater visibility, the watch features luminous hands and indexes, a unidirectional rotating bezel, and a screw-lock crown, making it a reliable companion for diving adventures.
Key Features
🌊 Professional Diver Watch (ISO 6425 Standard)
Built to meet strict international diver watch standards with 200m water resistance.
☀ Eco-Drive Solar Technology
Powered by light with no battery replacement required.
🔦 High Visibility Underwater
Luminous hands and indexes ensure excellent readability in dark or underwater environments.
⚙ Durable Dive Construction
- Screw-lock crown
- Unidirectional rotating bezel
- Magnetic resistance
- Shock detection function
⌚ Comfortable 36.5mm Case Size
Ideal for both men and women with slimmer wrists.
Specifications
| Item | Details |
|---|---|
| Brand | Citizen |
| Series | Promaster Marine |
| Model | EO2021-05L |
| Movement | Eco-Drive (Caliber E168) |
| Power Source | Solar / Light powered |
| Accuracy | ±15 seconds per month |
| Power Reserve | Approx. 6 months |
| Case Material | Stainless Steel |
| Case Size | 36.5 mm |
| Case Thickness | 11.6 mm |
| Weight | 65 g |
| Glass | Crystal Glass |
| Band Material | Urethane |
| Band Width | 18 mm |
| Adjustable Wrist Size | 130–200 mm |
| Water Resistance | 200 m Diver’s Water Resistance |
| Magnetic Resistance | Magnetic Resistant Type 1 |
Functions
- Unidirectional rotating bezel
- Screw-lock crown
- Luminous hands & indexes
- Date display
- Quick date correction
- Charge warning function
- Overcharge prevention function
- Quick start function
- Shock detection function
- Approx. 6 months operation after full charge