Seiko SLA023
Prospex Marinemaster Professional 300M
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
The SLA023 represents the modern interpretation of Seiko's professional diving heritage, featuring the iconic monobloc case design of the Marinemaster series. This model is distinguished by its blue sunburst dial and matching ceramic bezel, offering a more contemporary aesthetic compared to the traditional black variants. It maintains the professional specifications including 300m water resistance and anti-magnetic protection.
Specifications
Movement
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