This is a promotional novelty watch featuring the logos of STINNES, a major German conglomerate, and its oil division, interoil. Manufactured in the 1980s with a Swiss-made plastic case, it has a design similar to early Swatch models. The case back is engraved with "ALL GRILAMID CASE" and "SWISS MADE." 【Key Features】 ・Rare novelty item with company logos ・Visual gimmick (the brightness of the dial changes) ・Recommended for fans of Swatch-style retro watches ⭐︎Only one available! First come, first served! ⭐︎Instant purchase OK! (Purchases late at night or early in the morning are also OK!) ⭐︎Price negotiation OK! (Please offer your desired price in the comments.) ⭐︎Free shipping ⭐︎Anonymous shipping ⭐︎Working condition (accuracy not guaranteed) Please understand that this is a used item that has been handled by someone else. ⭐︎Packaging: We use bubble wrap and bags to ensure careful packaging.