The GA-2100SRS features a transparent body with a beautiful rainbow vapor deposition. The dial, which shifts colors depending on the angle of light, is stunning. This popular model perfectly balances the lightness of the skeleton design with the presence of the rainbow effect. [Condition] ・Battery replaced with a new one (December 22, 2025) ・Grease applied ・Operation confirmed (light also works fine) ・Can be used for approximately 3 years without worrying about battery depletion ・Time has been set, so you can use it immediately upon arrival It's in excellent condition with very little signs of use. *Subjective opinion* To make it easier to see any scratches or scuffs, the photos show the watch with the band removed. Please check the photos for the condition. How about the rainbow effect?