
The Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition (ref. sla081j1) is an automatic diver watch, with a 45.4mm titanium case, 16mm thick, powered by the 8L45 movement and a 72-hour power reserve. Water resistance is rated to 600m, under a sapphire crystal. Manufacturer MSRP is $4,600.
Owners widely praise the Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition's titanium monobloc case construction and the dial's blue gradient finish. Some owners find the 45.4mm diameter and 16mm thickness too large, noting a poor dial-to-bezel ratio and excessive text on the dial. The 8L45 movement offers a 72-hour power reserve, with reported accuracy ranging from +10/-5 seconds per day to +25/-15 seconds per day. On balance, owners appreciate the watch's tool watch vibe and unique dial construction, despite some reservations about its size and price.