Nautilus Mod White Open Heart

Description

A refined integrated-bracelet timepiece inspired by classic sport-luxury design.

This model features a brushed stainless steel case and bracelet paired with a clean white open-heart dial, offering a visible glimpse of the automatic movement in operation. The balanced proportions, slim profile, and minimalist dial layout give this piece a modern yet timeless presence on the wrist.

Designed for everyday wear while maintaining mechanical character, this build combines understated aesthetics with reliable automatic performance.

Specifications

Movement: Seiko NH38 automatic (no date, open-heart configuration)
Functions: Hours, minutes, sweeping seconds
Case Diameter: Approximately 41mm
Lug to Lug: Approximately 45mm
Thickness: Approximately 11mm
Case Material: 316L stainless steel
Bracelet: Integrated stainless steel bracelet with removable links
Crystal: Sapphire crystal
Caseback: Solid stainless steel caseback

Made to Order

Each JS Watches timepiece is custom-assembled to order.

Please allow approximately 2–3 weeks for assembly, regulation, inspection, and preparation prior to dispatch. This made-to-order approach ensures attention to detail at every stage.

A deposit option may be available prior to assembly.

Bracelet Sizing

The integrated stainless steel bracelet can be resized by removing links to achieve a comfortable fit. We recommend professional sizing by a jeweller or watchmaker to ensure proper adjustment and avoid damage.

Quality Control & Shipping

Every watch is assembled and inspected prior to dispatch to ensure proper function and finishing. Orders are shipped with tracking once complete. Delivery times may vary depending on destination.

Important Information

JS Watches is an independent watch brand and is not affiliated with, endorsed by, or associated with any watch manufacturer. Brand names may be referenced solely to describe the origin of specific components, such as the movement. All trademarks belong to their respective owners.

Each timepiece contains a genuine TMI (Seiko Instruments) automatic movement.