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Sanctum Watches

Trench Siren

Trench Siren

$700.00 AUD
$700.00 AUD
Sale Sold out
Shipping calculated at checkout.

Made to order. Your watch is built for you in a small batch, then sent to you with tracking. Allow up to 8 weeks from order to delivery. 

Some watches are made to blend in. The Trench Siren isn't one of them. Rings of vivid colour: orange, green, and blue, radiate outward across the dial, anchored by a steel case and exhibition caseback, built to stay grounded and resilient. Bold colour, quiet precision.

Featuring a waterproof sailcloth-style nylon hybrid strap, polished silver buckle, and tool-free quick-release pins, with each Trench Siren delivered in a signature Sanctum leather case for long-term protection.

Case

  • 40mm diameter
  • 49mm lug-to-lug 
  • 20mm lug width
  • 13mm thickness (including crystal)
  • 316L stainless steel
  • A clear caseback reveals the movement and jewels.

Crystal

  • Sapphire glass

Movement

  • Seiko NH71A automatic

Water Resistance

  •  5 BAR / 50m / 5 ATM

Strap

  • 20mm width
  • Waterproof sailcloth style nylon hybrid
  • Black with orange contrast stitching
  • Quick release stainless steel mechanism

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