Upgrade or repair your automatic watch with this high-quality rotor pendulum, perfectly compatible with Seiko NH35, NH36, NH38, NH39, 4R35, and 7S26 automatic movements. Crafted with precision and balance, this oscillating weight ensures smooth winding performance and reliable operation — ideal for modders, hobbyists, and watch technicians.

✅ Compatible with NH36, NH35, NH38, NH39, 4R35 & 7S26 movements
✅ Precision-engineered replacement for Seiko automatic calibres
✅ Balanced rotation for smooth winding
✅ Durable stainless steel construction
✅ Easy to install for watch repair or modification projects

✨ Ideal For:
✔ Seiko modders and watch builders
✔ DIY repairs and replacements
✔ Professional watchmakers and technicians
✔ Enthusiasts upgrading movement components

📦 Key Features:
✔ Material: Stainless steel / brass alloy (varies by finish)
✔ Compatibility: NH36 / NH35 / NH38 / NH39 / 4R35 / 7S26
✔ Type: Oscillating rotor / pendulum weight
✔ Precision fit and balance tested
✔ Easy installation – screwdriver tool recommended
✔ Optional colours: Silver / Gold / Black (depending on stock)

💡 Note: Movement not included. This listing is for the rotor (oscillating weight) only. Always handle movement parts with gloves or anti-static tools.