Seiko Nautilus Open Heart Automatic 40mm – Green
Seiko Nautilus Open Heart Automatic 40mm – Green
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In Stock & Ready to ship
In Stock & Ready to ship
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Returns Accepted
Returns Accepted
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DESCRIPTION
Seiko Nautilus Open Heart Automatic 40mm – Green
A 40 mm automatic open-heart watch combining a stainless-steel case with a green leather strap and visible mechanical detail.

Key Design Details
Description
This Seiko Nautilus Open Heart pairs a 40 mm stainless-steel case with a green leather strap and partially exposed mechanical dial.
The open-heart design turns part of the movement into a visual feature while preserving a clean analog layout.
Its green strap gives the model a stronger personality without sacrificing the refined overall silhouette.
Seiko NH35 Automatic
Automatic mechanical movement powered by wrist motion for a traditional self-winding experience.
Features
- 40 mm case
- Open-heart dial
- Seiko NH35 automatic movement
- Sapphire crystal
- 100 m water resistance
Technical Data
Strap & Clasp
What’s Included
You will receive the watch exactly as shown in the product images, securely packed for shipping. A presentation box and certificate are not included. If you would like to add them separately, compatible options are available in our Watch Box collection.

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