Citizen Promaster Diver Eco-Drive / 200m Water Resistance Model Number: BN0150-28 This is an authentic diver's watch that combines reliability, practicality, and design. It's a standard model highly regarded within Citizen's professional series, "PROMASTER." Its biggest appeal is Citizen's unique Eco-Drive technology. It charges with sunlight or even the slightest indoor light, eliminating the need for regular battery replacements. It continues to run simply by exposing it to light even when not in use, making it extremely practical. You won't have the stress of "realizing it's stopped." With 200m water resistance, it's a full-fledged diver's watch compliant with ISO standards. It features reliable equipment such as a unidirectional rotating bezel, highly visible indexes and hands, and a screw-down crown. The design is impactful not only in the ocean and outdoors but also for everyday use. The simple and powerful face with a black dial pairs well with casual wear, making it a watch you can use for a long time. It's recommended both as a first diver's watch and for collectors. Experience Citizen's solid construction and the comfort of Eco-Drive. Power: Light-powered Eco-Drive Accuracy: ±15 seconds per month Operating Time: Approximately 6 months on full charge Case Material: Stainless Steel Case Surface Treatment: Duratect Platinum, Duratect Sakura Pink (Light Silver Color, Sakura Color) Band Material/Type: Urethane, Buckle Type Glass: Crystal Glass Water Resistance: 200m Diving Water Resistance Magnetic Resistance: Magnetic Resistance Type 1 Design Features: Unidirectional Rotating Bezel Screw-down Crown Luminous (Hands + Indexes) [Functions] Charge Warning Function Overcharge Prevention Function Quick Start Function Approximately 6 months operation when fully charged Date Display Date Quick Correction Function Impact Detection Function