Nautiko | (Open Heart) Green

The SEIKNAUT MOD Nautilus Open Heart Green blends modern elegance with a bold, refreshing personality. Its deep forest-green dial, decorated with horizontal grooves, delivers a unique contrast that feels both refined and adventurous. The open-heart window reveals the beating Seiko NH38 movement beneath, adding a mechanical charm that draws the eye immediately.Crafted from solid 316L stainless steel with an integrated bracelet, this model showcases a streamlined silhouette and polished steel finish. The combination of green dial, mechanical exposure, and luxurious case profile makes it an exceptional choice for enthusiasts who appreciate both aesthetics and craftsmanship.

✅ Case Size: 41mm
✅ Case Thickness: 12mm
✅ Case Material: 316L Stainless Steel
✅ Dial: Green with striped texture + open-heart display
✅ Crystal: Sapphire crystal with anti-reflective coating
✅ Movement: Seiko NH38 Automatic (open-heart)
✅ Water Resistance: 5 ATM (50 m)
✅ Bracelet: Integrated stainless steel bracelet
✅ Bracelet Color: Silver
✅ Lug Width: 22mm
✅ Caseback: Exhibition (open) stainless steel
✅ Functions: Hours, minutes, seconds

Processing Time: 2–4 business days
Standard Shipping: 7–12 business days
Express Shipping: 3–7 business days
Worldwide tracking included

Each watch is made to order. Assembly takes 3–5 business days before dispatch; delivery typically takes an additional 7–15 business days.

Tracked worldwide shipping is free. Read the destination details in our shipping policy.

Return conditions and exceptions for custom orders are explained in our returns policy.

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