Hands-On The Seiko Prospex SPB077 And SPB079


While Seiko’s full naming is “The 1968 Automatic Diver’s Modern Re-interpretation SPB077 and SPB079,” seeing as coffee breaks are only so long, let’s go with SPB077/79. The SPB077 has a black bezel and a steel bracelet, while the SPB079 has a steely blue bezel and comes on a silicone strap. Aside from these differences, the two versions are the same. At 44mm wide, 13.1mm thick, and 51mm lug to lug, the SPB077/79 wears not unlike a longer version of the much loved Prospex SRP777 (and its myriad versions). The cases are made of stainless steel and feature screw-down casebacks, rather than the monoblock construction of the SLA025 reissue. The curvy case shape, the narrow lugs, and the crown at four do carry over from the design of the original reference 6159. 


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