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Seiko 5 Sports SRPK73
Ref. SRPK73
$375Sold out
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Case
- Diameter
- 42.5mm
- Thickness
- 13.4mm
- Lug-to-lug
- 46mm
- Lug width
- 22mm
- Material
- Stainless steel
- Water resistance
- 100m
Crystal & dial
- Crystal
- Hardlex
- Dial color
- Silver
Movement
- Caliber
- Seiko 4R36
- Type
- Automatic
Seiko
Seiko's day-date automatic caliber and the in-house branded version of the NH36 with stricter quality control and finishing. The additional day wheel over the 4R35 adds the day-of-week complication without changing the movement dimensions. Found extensively in the Seiko 5 Sports and Prospex lines, it offers Seiko's proven reliability with the convenience of day-date display at a mainstream price point.
Market
Retail$375
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Closed · 90d0Asking-price history
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Retail stock & market context
Seiko on the secondhand market
+10.1%
2026 so far · +5.2% to +17.1% · 103 matched watches
In line with the index
Year-by-year readings →Similar watches
Community
Owners widely report the Seiko 5 Sports SRPK73 is robust, with the 4R36 movement praised as a reliable workhorse. However, some owners note the bracelet's tightly spaced and pinned links offer poor articulation, making it wear like a hoop and potentially causing hair pulling. On balance, owners rate the Seiko 5 Sports SRPK73 highly for its robust build and reliable movement, despite the bracelet's comfort trade-offs.
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