390pcs 39 Sizes 1.9-7mm Japan Waterproof Mini O-ring Kit for Watch Crown Seal390pcs 39 Sizes 1. 9 7mm Japan Waterproof Mini O ring Kit for Watch Crown Seal Inner Diameter: 1. 9 7mm 10pcs for each size, 39 sizes for each box, total 390pcs set

lApplicable Movement: for NH35

Hattori VJ32-D6

Model : Bergeon 30081-TAM-120

Black Flat Ceramic Ring

9mm {including button)

comfortable to hold and easy to grip

The minute hands(mm): 9

Dark Blue OMJ Ceramic Ring

Soft and flexible won't scratch or mar your work piece

slotted type "一" shape: 0

Instructions for use: Slowly pass the piece to be demagnitized through the apparatus

1 xBox of Waterproof (About 500pcs)