Nixon x Nirvana Wobble Sentry Stainless Steel Watch. Your eyes are not playing tricks on you. Meet the Nirvana Sentry Wobble. Nixon's iconic mid-size analog watch has been bent, molded, and contorted to match Cobain's hand drawn iconic smile graphic found on the dial and crown. The face pops with depth and detail, and the solid stainless steel case, hardened mineral crystal, and waterproof rating of 100m allow for everyday use. Miyota Japanese quartz 3 hand. 23mm quick release solid stainless steel band with dual locking deployment clasp with micro adjustment. Imported.