Seiko Prospex SRPA Automatic Watchsearch

Seiko Prospex SRPA Automatic Watch

Seiko Prospex SRPA Automatic Watch

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100M Water Resistant, Bidirectional Compass

A casual dress watch for active individuals, the Seiko Prospex SRPA Automatic is easy to read—day or night—and backed by Seiko’s 4R35, an automatic movement of 23 jewels. Take a look at the movement by flipping over the case. The dial features large Arabic numerals at the four cardinal hours, plus a date window between 4 and 5 o’clock. The stainless steel case is knurled around the top portion, adding depth to the design. Large sword hands are lumed for visibility. The inner bezel, controlled by the crown at 4, offers a bidirectional rotating inner compass.

Note: At checkout, choose between the SRPA75J1 (black dial, black bezel, brown leather strap) and the SRPA77J1 (green dial, black bezel, brown leather strap). 

Seiko Prospex SRPA Automatic Watch
Seiko Prospex SRPA Automatic Watch
Seiko Prospex SRPA Automatic Watch

Model Options



  • Seiko
  • Movement: Seiko 4R35 23-jewel automatic
  • Manual wind compatible
  • Hacking seconds
  • 21600 vph
  • 41-hour power reserve
  • Case material: Stainless steel
  • Crystal: Hardlex
  • Caseback: Display
  • Date window
  • Bidirectional rotating inner compass ring controlled by crown at 4 o'clock
  • Case diameter: 42 mm
  • Case thickness: 12.5 mm
  • Lug width: 21 mm
  • Lug-to-lug: 50 mm
  • Water resistance: 100 m (330 ft)
  • Made in Japan


All orders will be shipped by Massdrop.

Estimated ship date is Nov 27, 2017 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.