Seiko 6138 0040 Bullhead Strap Size & Lug Width

Seiko 6138-0040 “Bullhead” Lug Width & Strap Size

Seiko 6138-0040 “Bullhead” watches have 20mm lugs and are compatible with 20mm watch bands.

Seiko 6138-0040 “Bullhead” case size is 44mm in diameter.

You can shop our entire collection of 20mm watch bands for Seiko 6138-0040 “Bullhead” with the link below. Please select size 20mm to ensure compatibility with your Seiko 6138-0040 “Bullhead”.

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