Pretty much. If the entire point of the tattoo is to show how long a player has been playing the game, then it makes sense. However I only suggested it out of maybe building something up from the tattoo in that theme.
Like the existing one is just below the neck and sits roughly between the shoulder blades. A player since ARR could add one on the lower back, A player since HW could add something on the upper arms, a player since SB could add something on the thighs... etc.