[Tutorial] You gotta know your Seiko Marinemaster

Donโ€™t want to buy a wrong watch strap? You gotta know your watch first. Generally, Seiko Tuna lug width is 22mm, butย 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. While Seiko Marinemaster has a recessed/hidden “GAP”, it…