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Seiko Nautilus Open Heart Automatic 40mm

Seiko Nautilus Open Heart Automatic 40mm

Regular price $122.66 USD
Regular price $122.66 USD Sale price $175.28 USD
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Nautilus Open Heart

Seiko Nautilus Open Heart Automatic 40mm

A 40 mm automatic watch combining a stainless-steel case, open-heart dial and leather strap in a refined sport-luxury inspired silhouette.

Seiko Nautilus Open Heart Automatic 40mm
Design

Key Design Details

Open Heart Dial
A dial opening reveals part of the mechanical movement in operation.
40 mm Steel Case
Balanced proportions make the design suitable for both everyday and more formal wear.
Leather Strap
The textured leather strap gives the sport-inspired case a more refined finish.
Seiko Nautilus Open Heart Automatic 40mm detail
Product Overview

Description

The Seiko Nautilus Open Heart Automatic combines a 40 mm stainless-steel case with a mechanical open-heart dial and textured leather strap.

The dial opening reveals part of the movement while luminous markers and metallic hands add contrast and depth.

Its polished and brushed surfaces create a versatile appearance that works across casual, business and dress settings.

Movement

Seiko NH35 Automatic

Automatic mechanical movement powered by wrist motion, offering the traditional feel of a self-winding watch.

Seiko Nautilus Open Heart Automatic 40mm profile
Highlights

Features

  • 40 mm case
  • Open-heart dial
  • Automatic NH35 movement
  • Sapphire crystal
  • 100 m water resistance
  • Luminous markers
Specifications

Technical Data

Case diameter
40 mm
Case
Stainless steel
Crystal
Sapphire crystal
Movement
Seiko NH35 automatic
Water resistance
100 m
Lume
Super Lume
Seiko Nautilus Open Heart Automatic 40mm strap
Finish

Strap & Clasp

Material
Leather
Available colours
Black / Orange / Green
Clasp
Buckle
Order Details

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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  • ★★★★★

    I was really impressed with the quality of these watches. I’ve already bought two, and both exceeded my expectations in terms of design and durability. They look premium and work perfectly. Definitely recommend!

    Joseph M.

  • ★★★★★

    Bought from the store for the first time and was genuinely impressed. The delivery arrived earlier than expected and the product exceeded my expectations. I’ll definitely order again

    Luke M.

  • ★★★★★

    Really liked the shopping experience. They have great support and send daily emails updating you on the status of your order

    Stefano L.

  • ★★★★★

    Made the purchase with some hesitation, but the delivery was fast and the product has great value for the price

    Charles S.

  • ★★★★★

    Quality pieces and consistent service. I’ve ordered multiple times and definitely recommend it

    Thomas G.

  • ★★★★★

    Great value for money and the delivery was quick

    Luca M.

  • ★★★★★

    Very satisfied with the store. Delivery was fast and the product has great quality. You can buy with confidence

    Mohamed M.

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