Elevate your watch build with this premium rose gold Datejust-style case, engineered for serious horology enthusiasts. Features a sophisticated two-tone rose gold finish and fluted bezel that captures light beautifully. Available in 39mm and 36mm sizes to suit your wrist and movement preference. The sapphire crystal provides scratch-resistant clarity and anti-reflective properties for optimal dial visibility. Fully compatible with popular automatic movements including Seiko NH35, NH36, NH38, NH34, and Miyota 8215. The 28.5mm dial opening accommodates standard watch dials seamlessly. A versatile foundation for custom builds that demand both aesthetic refinement and mechanical reliability.

Key Specifications

• Case Sizes: 36mm or 39mm diameter (buyer chooses).

• Case Thickness: Approximately 11.8mm (36mm) or 12.2mm (39mm).

• Materials:

  • Case & Bracelet: 316L Stainless Steel (high-quality surgical steel, corrosion-resistant).

  • Crystal: Sapphire Glass (highly scratch-resistant).

• Style Details:

  • Case: Fluted (ridged) and curved design.

  • Bracelet: Jubilee-style (five-piece link, often comfortable and flexible).

  • Color Options: Silvery (Steel), Gold, Rose Gold, Two-Tone (Silver/Gold, Silver/Rose Gold).

• Technical Features:

  • Water Resistance: 100 meters (10 ATM). Note: This rating depends on proper assembly and sealing.

  • Crown: Screw-down crown (essential for water resistance).

  • Case Back Options: Choose between a solid steel back or a see-through exhibition case back (to view the movement).

  • Lug Width: 20mm (standard strap/bracelet width).

  • Lug to Lug:46mm/ 48mm

Compatibility

• Movements: Designed to house the most common automatic movements for modding:

  • Seiko-made: NH34 (GMT), NH35/NH36/NH38 (date/day-date), 4R36.

  • Miyota-made: 8215, 8205.

• Dial: Fits standard 28.5mm diameter dials (the vast majority of dials made for the above movements).

What’s Included

The kit typically contains all necessary parts to house the movement:

• Watch case (top)

• Case back (solid or transparent)

• Crown

• Jubilee bracelet

• Movement holder (buffer seat)

• Rubber gaskets (for sealing)

• 2 spring bars (for attaching bracelet)

What You Need to Build a Complete Watch

To create a functioning watch, you must separately purchase:

1. A compatible movement (e.g., Seiko NH35).

2. A 28.5mm dial.

3. Hands that fit the chosen movement.

4. Tools for assembly (case opener, hand setters, tweezers, etc.).