Buy @ AmazonSpecs, features and reviews of the Seac Sub Jack Freediving and Spearfishing Watch Product type: watchBest for: freedive competitionfreedive trainingspearfishingFreediver Rating: 5Average: 5 (1 vote)Freedive Score: 78Price RRP: $400Manufacturer: seac subSKU: seac-sub-jack-watchPrice range: moderate Specs Modes: airfreedivespearfishingwatchUSB: YesDownload dives: YesFirmware updates: YesFresh & salt water: fresh watersalt waterAutomatic dive mode: yesWatch safety modes: hemoptysis and taravana functionrecommended recovery timeWatch info functions: altimetercompasscountdown timerdatetimetemperatureMeasurement units: metricimperialRemoveable battery: YesReplaceable strap: YesDisplay during dive: current depthAlert types: audible alarm beepauto-backlight illuminationDepth notifications: 4Make and model: seac sub jackWatch surface functions: recommended recovery timesurface timeRemovable fin: NoLateral stabilizer: No Video Intro: Login to add review