Product Description
The Seiko SRPK99 delivers rugged dive styling paired with reliable performance. A curved Hardlex crystal, bright LumiBrite visibility, and a durable unidirectional bezel ensure dependable function under harsh conditions. Powered by the 4R36 automatic movement, it provides manual winding, day/date display, and everyday reliability.
| SKU | SRPK99 |
|---|---|
| Case Material | Stainless steel |
| Case Size | Thickness: 14.2mm • Diameter: 42.5mm • Lug-to-lug: 46.0mm |
| Crystal | Curved Hardlex |
| LumiBrite | LumiBrite on hands & indexes |
| Clasp | Three-fold clasp with push button release |
| Distance Between Lugs | 22 mm |
| Water Resistance | 10 bar |
| Magnetic Resistance | 4,800 A/m |
| Weight | 169.0 g |
| Exterior Features | Unidirectional rotating bezel Three-fold clasp with secure lock See-through & screw case back |
| Caliber | 4R36 |
|---|---|
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 41 hours |
| Jewels | 24 |
| Main Functions | Stop second hand function Day & Date display Central hour, minute, second hands |
| Movement Notes | The 4R36 is a workhorse Seiko caliber known for durability, reliability, and easy servicing, making it ideal for everyday and dive-inspired wear. |
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