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Super Engineer II watch bracelet is designing for 2009 onward SEI Tuna models such as SBBN013 or other 21.5mm lug SEI diver or sport watch case with straight lug. Super Engineer watch bracelet is an extraordinary well made 316L stainless steel watch band. Each links are composed of 5 Chamfer edge solid 316L stainless steel units are assembled with screws instead of flimsy pins to keep its solidity and stability. Length adjustment is simple & easy via flexible screw details. Item also included one pair of FAT spring bar (eg. generic SEI Dia. 2.5mm spring bar) to ensure the watch band is connected securely with your watch. Today replaces your SEI Tuna into this unique aftermarket watch bracelet.

Item number:SS212203B034
Brand Name:Super Engineer II
Lug width:21.5mm
Buckle size:22mm
Buckle Include:Yes
Buckle type / Buckle Finish:316L Stainless Steel Double FlipLock Diver's Clasp with Push Button, Brushed
Overall Length:181mm
Thickness:4.6mm
Spring bar hole dia.:2.5mm (included)
Design to fit :2009 onward SEI Tuna models' replacement watch bands such as SBBN013
Material:316L Stainless Steel, all solid links included end links
Color / Finish:Brushed
All Available Max. length:181mm
Corresponding Min. length :110mm
Net Weight :125g
Lug end style:Straight End
Adjustment type:8 Screw fixed Links adjustment + 3 micro hole type adjustment
Remarks:CLASP22-003B

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