Seiko Mod Turtle 44mm - 01

Regular Price
1,299.00 NIS
Sale Price
1,299.00 NIS
Regular Price
1,299.00 NIS
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A substantial 44mm Turtle-style automatic, assembled and checked in the Rexx workshop. This build pairs the familiar cushion-shaped case profile with a practical Japanese NH35A automatic movement and a full stainless-steel bracelet. It is made for someone who wants the presence of a larger tool watch with the individuality of a custom Seiko mod.

Built around the NH35A

The NH35A is a widely used automatic movement with hand-winding and hacking seconds. Its broad parts availability and straightforward servicing make it a sensible foundation for a watch intended to be worn rather than treated as a display object.

Case and wrist presence

The 316L stainless-steel case measures 44mm excluding the crown and 13.5mm thick including the sapphire crystal. Those dimensions give it a deliberate, substantial feel. The transparent caseback keeps the mechanical side visible, while the matching 316L steel bracelet continues the tool-watch character.

Verified specifications

  • Japanese NH35A automatic movement
  • 44mm case diameter, excluding the crown
  • 13.5mm case thickness, including the crystal
  • 316L stainless-steel case and bracelet
  • Sapphire crystal
  • Transparent exhibition caseback
  • 10 ATM stated water resistance

An independent workshop build

This is an independently assembled custom watch using compatible aftermarket components. It is not manufactured, sponsored, or endorsed by Seiko. Rexx selects, assembles, inspects, and presents the finished build as part of its own workshop practice.

Explore more Rexx Seiko mods, read the workshop guides, or start a custom watch conversation.

Every Rexx watch includes an 18-month limited movement warranty. If the movement has a manufacturing defect during that period, Rexx will repair or replace the movement after inspection.

The warranty does not cover loss, theft, water damage beyond the stated rating, impact damage, misuse, unauthorized servicing, or cosmetic wear from normal use. Keep the matching metal warranty card and order details so the watch can be traced and serviced properly.

Every Rexx watch includes an 18-month limited movement warranty. Each watch also receives a matching metal warranty card tied to its serial number, so the build stays traceable, serviceable, and accountable after it leaves the studio.

Read warranty details