Automatic, self-winding Also has manual winding function Being an older model, you can't expect the same long power reserve as current models. It's a high-quality caliber, so it's accurate with almost no daily variation. There are small, fine scratches overall, but the hairline finish is beautiful overall. Especially the bracelet finish has the feel of high-end jewelry. It's not heavy at all and very comfortable to wear. The Omega mark is three-dimensional, not printed. The original crystal has a faint Omega mark in the center. It's in beautiful condition with no scratches. With a contemporary design, it still has a beauty and coolness that attracts people's attention. It has been overhauled once by a specialist in the past. The condition is generally good and maintains its beauty.