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Seiko Nautilus Mod – black Open Heart

250 €

Taxes included.

Nautilus Open Heart mod featuring a black open-heart dial showing mechanical movement detail, built for a clean premium everyday look.

Free Worldwide ShippingTracked delivery, ships in 7–9 business days

1-Year WarrantyCovered movement warranty

14-Day ReturnsFrom the day it arrives

Hand-AssembledBuilt and checked before shipping

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Description

The Nautilus Mod – black Open Heart focuses on a black open-heart dial showing mechanical movement detail, creating a balanced watch that feels modern, polished, and easy to wear.

  • Case Size: 40mm
  • Movement: NH38 Automatic, approximately 41-hour power reserve
  • Crystal: Sapphire glass
  • Water Resistance: 3 ATM, splash and rain resistant
  • Case Material: 316L stainless steel
  • Bracelet/Strap: Integrated bracelet
  • Lug Width: 20mm

A strong choice if you want a Nautilus Open Heart style mod that feels distinctive but still practical for regular wear.

Shipping & Delivery

We offer worldwide tracked shipping. Orders are prepared carefully before dispatch, and delivery times may vary depending on your country and local customs processing.

Returns

Returns are accepted within 14 days if the watch is unused, unworn, and returned in its original condition and packaging.

Warranty

All watches include a 1-year movement warranty. Damage caused by misuse, water exposure, accidental impact, normal wear, or unauthorized repairs is not covered.

About TimeLab Mods

Each TimeLab Mod is hand-assembled using selected aftermarket parts and checked before shipping. Our focus is clean design, reliable movements, good finishing, and a smooth customer experience.

Care Guide

Avoid exposing the watch to water, steam, strong impacts, or magnetic fields. Keep the crown pushed in, clean the watch gently with a soft cloth, and store it safely when not in use.

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Why Timelab Mods?

Built by hand

Every watch is assembled and checked by our watchmakers, one at a time.