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Ratchet Buckle Clasp is an ideal Wetsuit watch band buckle. The ratchet theory extension mechanism is of great importance for both convenience and safety. Super-O Boyer watch bracelet is composed of 3 flat and solid 316L stainless steel units and a curved solid end piece perfectly fit SEI MM300 Prospex Marinemaster SBDX001 / SBDX003 / SBDX005/ SBDX017models. Screw-in adjustable details instead of pressure pins. This item includes one pair of FAT spring bar (eg. generic SEI Dia. 2.5mm spring bar) to ensure a more secure connection. Tapered 20mm lug into 18mm buckle size. Super-O Boyer watch bracelet is a good choice of SEI replacement watch band for your MM300 Prospex Marinemaster SBDX001 / SBDX003 / SBDX005/ SBDX017models.

Item number: SS201817B055
Brand Name: Super-O Boyer
Lug width: 20mm
Buckle size: 18mm
Buckle Include: Yes
Buckle type / Buckle Finish: 316L Stainless Steel button control Diver Wetsuit Ratchet Buckle/ Brushed
Overall Length: 190mm
Thickness: 3.4mm
Spring bar hole dia.: 2.5mm (included)
Design to fit : SEI Prospex Marinemaster 300m SBDX001 / SBDX003 / SBDX005/ SBDX017replacement watch band
Material: 316L Stainless Steel, all solid links include end links
Color / Finish: Brushed
Max. length: 190mm
Corresponding Min. length : 120mm
Net Weight : 104g
Lug end style: Curved End
Adjustment type: Screw fixed Links + Ratchet adjust 10mm
Remarks: CLASP18-017B

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