SR920SW Battery Overview: Sr920sw Seiko
The SR920SW battery is a popular choice for powering various electronic devices, including watches. Understanding its technical specifications and comparing it to other common watch batteries can help you make informed decisions about its suitability for your needs.
Technical Specifications, Sr920sw seiko
The SR920SW battery is a silver oxide battery, known for its high energy density and long shelf life. Here are its key technical specifications:
* Size: 9.5 mm diameter, 2.0 mm height
* Voltage: 1.55 V (nominal)
* Capacity: 180 mAh (typical)
Comparison with Other Watch Batteries
The SR920SW is a common size for watch batteries, but it’s important to compare it with other popular options to understand its strengths and weaknesses.
- SR626SW: A smaller battery with a lower capacity, typically used in smaller watches. The SR920SW offers a longer lifespan due to its higher capacity.
- LR44: A common alkaline battery, offering lower voltage and shorter lifespan compared to the SR920SW. However, LR44 batteries are more readily available and generally cheaper.
Typical Lifespan in a Seiko Watch
The lifespan of an SR920SW battery in a Seiko watch can vary depending on factors such as the watch’s functions, usage patterns, and the battery’s quality.
- Basic Analog Watches: In a basic analog watch with no additional features, an SR920SW battery can typically last for 2-3 years.
- Watches with Chronograph or Alarm: Watches with these functions consume more power, reducing the battery lifespan to 1-2 years.
- Watches with Radio-Controlled or Solar Features: These watches have specialized power requirements, and battery life can vary significantly depending on the specific model. Consult your watch’s manual for accurate information.
Seiko Watches Utilizing SR920SW Batteries
The SR920SW battery is a popular choice for powering a wide range of Seiko watches, from elegant dress watches to sporty chronographs. Its compact size and reliable performance make it an ideal power source for many Seiko models. This section explores the diverse range of Seiko watches that rely on the SR920SW battery, highlighting their key features, historical significance, and user experiences.
Popular Seiko Watch Models Utilizing SR920SW Batteries
Seiko has a long history of crafting exceptional timepieces, and many of their popular models rely on the SR920SW battery for their functionality. Here are some notable examples:
- Seiko Presage SRPB41J1: This elegant dress watch features a classic design with Roman numeral hour markers, a blue sunburst dial, and a stainless steel case. It’s known for its accuracy and reliability, making it a perfect choice for formal occasions.
- Seiko Prospex SRPD21K1: This sporty diver’s watch is designed for underwater adventures, with a unidirectional rotating bezel, luminous hands and markers, and a 200-meter water resistance rating. It’s a robust and reliable timepiece that can withstand the rigors of diving.
- Seiko 5 Sports SRPD55K1: This versatile watch is part of the iconic Seiko 5 Sports line, known for its durability and affordability. It features a stainless steel case, a black dial with luminous hands and markers, and a date window at the 3 o’clock position.
- Seiko Solar SSC017P1: This solar-powered chronograph is powered by light, eliminating the need for battery replacements. It features a stainless steel case, a black dial with a tachymeter scale, and a chronograph function with a 1/5-second measurement capability.
Historical Significance of Seiko Watches Powered by SR920SW Batteries
Seiko has been a pioneer in watchmaking, introducing numerous innovations throughout its history. The SR920SW battery has played a significant role in powering many of Seiko’s notable timepieces, contributing to their accuracy, reliability, and functionality.
“Seiko’s commitment to innovation has been evident in its use of the SR920SW battery, which has allowed the brand to create a diverse range of watches that meet the needs of a wide audience.”
User Experiences and Reviews of Seiko Watches Powered by SR920SW Batteries
Seiko watches powered by the SR920SW battery have consistently received positive reviews from users, who praise their reliability, accuracy, and overall performance.
“I’ve owned a Seiko Presage for several years now, and it’s been an incredibly reliable timepiece. The SR920SW battery has never given me any trouble, and the watch keeps perfect time.”
“My Seiko Prospex is my go-to watch for diving. It’s tough, accurate, and the SR920SW battery has never let me down, even after multiple dives in deep water.”
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