Seiko Prospex Sumo - SPB325J1


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This guide is for adventurers and watch enthusiasts looking to understand and utilize the Seiko Prospex Sumo SPB325J1. This watch offers robust performance and stylish design, perfect for both underwater adventures and everyday wear. A key consideration is its specific care requirements to maintain its longevity.
| Series | Sumo |
|---|---|
| Model Part Number | SPB325J1 |
| Brand | Seiko |
It is recommended to have the watch serviced every 3-5 years to ensure optimal performance and water resistance.
Yes, the silicone strap is designed for durability and comfort, but it requires regular cleaning to maintain its condition.
The nickname refers to the watch's case shape and design, which is reminiscent of a sumo wrestler.
The watch winds automatically with movement, but it can also be manually wound by turning the crown clockwise when unscrewed.
Yes, the watch is water-resistant to 200 meters, making it suitable for swimming and diving.
The watch has a power reserve of up to 70 hours when fully wound.
The unidirectional bezel is used to track elapsed time, such as dive times. It rotates in one direction to prevent accidental increases in the tracked time.
Check if the watch is fully wound. If the problem persists, the watch may require servicing.
This indicates water has entered the watch; immediate professional servicing is required.
Clean the bezel with a soft brush and warm water. If the problem persists, professional servicing is recommended.
No specific setup is required. The watch is ready to wear upon purchase.
Care Instructions: