**Product Specifications:**
**Brand:** GUANQIN
**Series:** Struggle Series
**Model:** GS19215
**Movement Type:** Quartz
**Case Material:** Alloy
**Strap Material:** Stainless Steel
**Clasp Type:** Double Press Butterfly Clasp
**Glass Material:** Mineral Strengthened Glass
**Water Resistance:** 30 meters
**Case Diameter:** 40mm
**Case Thickness:** 10mm
**Strap Width:** 20mm
**Weight:** 107g
**Features:** Calendar Window, Luminous Hands, Day Window, Diamond Markers
**Special Features:** Gradient Blue Sunburst Radiant Surface, Mineral Glass Mirror, 3ATM Water Resistance
**Color Options:** White, Golden, Blue, Black
**Adjustment Method:** Pull out the crown to adjust the calendar and time. Turning the hour hand one full circle will advance the day window by one day.
**Usage:** Suitable for business, workplace, commuting, daily wear, and formal occasions.
**Logo:** Unique angel-shaped logo
**Established:** 1989 in Hong Kong
**Global Popularity:** Bestselling globally, favored by fashion-forward individuals
**Design:** Simple and elegant style with a high level of international recognition
*Note: All data is based on manual measurements and may have slight variations. Actual product may differ slightly.*