Seiko "Sea Urchin" SNZF Watchsearch

Seiko "Sea Urchin" SNZF Watch

Seiko "Sea Urchin" SNZF Watch

(40 reviews)
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An Underwater Treasure

The Seiko "Sea Urchin" is a desk diver that features a Seiko 7S36 23-jewel automatic movement. The case is polished on the sides and has light brushing on the lugs. The 42-millimeter stainless steel case has the classic dive watch barrel shape. The 120-click unidirectional rotating bezel comes in black for a subtle look; Rounding out the watch is its Hardlex crystal and display caseback.

Note: At checkout, choose between the SNZF17K1, SNZF17J1 (+ $20), and SNZF17J2 (+ $5) models.

Chunky Lumed Markers for Max Legibility

Luminous dot and block indicators make the watch extremely easy to read at a glance. The coating, in particular, really pops off the dark dial for a contrasting look. To keep track of the date, there's a window at the 3 o’clock position, which also shows the day of the week.

Style Options

SNZF17J1 (+ $20)
SNZF17J2 (+ $5)

Video Review


  • Movement: Seiko 7S36 23-jewel automatic
  • 21,600 vph
  • 41-hour power reserve
  • Case material: Stainless steel
  • Crystal: Hardlex
  • Caseback: Display
  • Day & date display
  • Unidirectional rotating bezel
  • Case diameter: 42 mm
  • Case thickness: 12.6 mm
  • Lug width: 22 mm
  • Lug-to-lug: 48.6 mm
  • Water resistance: 100 m (330 ft)


All orders will be shipped by the vendor.

Estimated ship date is Dec 7, 2018 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.