This Hexad watch band with a curved solid end pieces perfectly fit SEI MM300 Prospex Marinemaster SBDX001 / SBDX003 / SBDX005 / SBDX017 models. Hexad watch band is a striking design first launched in recent years. Each link is composed of 3 massive Chamfer edge solid 316L stainless steel units and a curved solid end piece. Hexad is a contemporary version of the traditional O Boyer watch band, but more thick & sturdy over 100 grams. Considering the comfort and sustainability, it bends smoothly following your wrist. Well-made solid 316L stainless steel links are assembled with screws instead of flimsy pins to keep its solidity and stability. The lug of this watch band was tapered into 18 buckle size, added value on flexibility of using your original 18 SEI clasp back if you want. The lug of this watch band was tapered into 18mm buckle size, added value on flexibility of using your original 18mm SEI clasp back if you want. This item includes one pair of FAT spring bar (Generic SEI Dia. 2.5mm spring bar) to ensure a more secure connection. Accompany with ratchet buckle clasp which is an ideal wetsuit watch band buckle. The ratchet theory extension mechanism is of great importance for both convenience and safety. Hexad watch strap is a good choice of SEI watch band replacement for your MM300 Prospex Marinemaster SBDX001 / SBDX003 / SBDX005 / SBDX017 models.
Watch Bands Lookbook demo watches by Strapcode: SEI Prospex Marinemaster MM300 Diver Automatic SBDX017
All compatible model numbers:
Seiko Prospex Marinemaster 300m
Item number: SS201817B054 Brand Name: Hexad Lug width (mm): 20 Buckle size (mm): 18 Buckle Include: Yes Buckle type / Buckle Finish: 316L Stainless Steel Button Control Diver Clasp, Wetsuit Ratchet Buckle, Brushed Overall Length (mm): approx. 190 Thickness (mm): 4.5 Spring bar hole dia. (mm): 2.50 Material: 316L Stainless Steel, all solid links include end links Color / Finish: Brushed Max. length (mm): approx. 190 Corresponding Min. length (mm): approx. 104 Net Weight (gram): approx. 120 Lug end style: Curved End Adjustment type: 8 Screw fixed links & no micro holes on clasp
Remarks: All Pictures shown are for illustration purpose only. Actual product may vary due to product enhancement such as colors and logos.
We recommend using a 1.8mm slotted blade screwdriver for sizing this watch band:
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