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Super-O Boyer watch bracelet is composed by 3 rows of solid links which is designing for 2009 onward Seiko Tuna models such as SBBN013, SBBN00E, SBBN023, SBBN029 & SBDX016. Actual lug sizes of these 2009 onward Marinemasters are slightly less than 22mm. For this reason, we have tailor made the 21.5mm stainless steel bracelet collections. 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. Item also included one pair of FAT spring bar (eg. generic Seiko Dia. 2.5mm spring bar) to ensure the watch band is connected securely with your watch. Accompany with 2015 new released V-Clasp double lock buttoned diver's clasp. V-Clasp was made from solid 316L stainless steel with extra 6 micro holes for flexible fine tune length adjustment. Featured in V shape safety lock, streamlined form & chamfer edged design to giving a more massive look. Chamfer double locks diver's buckle is idea for watch band with thickness approximate 4.0 - 5.0mm thickness. Today replaces your Seiko Marinemaster into this unique aftermarket watch bracelet.

Watch Bands Lookbook demo watches by Strapcode : Seiko Prospex Marine Master Darth Tuna Professional 1000m Diver Quartz SBBN013; Seiko Marine Master Professional 1000M SBBN029
All compatible model numbers:

Seiko Tuna wtih 21.5mm lug watches
- SBBN013, SBBN023, SBBN029, SBBN039
- SBDB009
- SBEP011
- SHC067
- SNE497, SNE498, SNE499
- S23626, S23627, SR920SW-BK, SR920SW-BL
- SRPA82, SRPA83, SRPA99
- SRPD14
Item number : SS211820B044
Brand Name : Super-O Boyer
Lug width : 21.5mm
Buckle size : 18mm
Buckle Include : Yes
Buckle type/Buckle Finish : 316L stainless steel, V-Clasp double lock buttoned diver clasp/Brushed
Overall Length : 187mm
Thickness (mm): 3.2
Spring bar hole dia. : 2.5mm (included)
Material : 316L Stainless Steel, all solid links include end links
Color/Finish : Brushed
All Available Max. length : 187mm
Corresponding Min. length : 110mm
Net Weight : 88g
Lug end style : Straight End
Adjustment type : 6 Screw fixed Links adjustment + 6 micro hole type adjustment

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:
- Flat-head Small Screwdriver with Spare Blades 1.8mm
- Flat-head Watchmaker Small Screwdriver Set
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Seiko Tuna wtih 21.5mm lug watches

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for Seiko MarineMaster (Tuna)

21.5mm Super-O Boyer Watch Band compatible with Seiko Tuna SBBN013, 316L Stainless Steel V-Clasp Button Double Lock