• Original Genuine Seiko (SII) NH38/ NH38A automatic Movement, Silver, 24 jewels
• FREE FAST DOMESTIC SHIPPING!
• Plastic hand winding test stem included, as well as uncut stem.
• Build a custom timepiece or supercharge your existing watch!

I am a professional watch modder and design & manufacture parts.

Need service? Reach out on insta @RSWatchWorks

Need a crystal, hands, bezel insert or something else for your mod? Check out my other listings!

Technical Data:

• 12 Ligne = 12 " / 26 mm
• Height: 5.32mm
• Height with cannon pinion: 7.55mm
• Diameter: 27.40mm
• Outside diameter: 29.36mm ( Casing )
• Power Reserve: 41 Hours
• Hand Hole Sizes (HMS) : 150/89/21
• Self-winding mechanism with ball bearing 21,600 vibrations per hour

EXPERT INSTALLATION RECOMMENDED. PLEASE ENSURE COMPATIBILITY WITH YOUR WATCH.