All models have stainless steel cases measuring 36.4 x 12.5 x 44.4mm, 18mm lug width, and utilize the 4R36 automatic calibre. View fullsize SRPJ81 (SBSA197 JDM) View fullsize SRPJ83 (SBSA199 JDM) View fullsize SRPJ85 (SBSA201 JDM) View fullsize SRPJ87 View fullsize SRPJ89 (...