S103

Brand: ZuanShi (钻石). Reference: S103. Launch date: 2023-Month?-Date? Autumn.

Chinese character:
上海钻石手表 - Shanghai ZuanShi (Diamond) Watch. Position: on case back.
中国制造 - China Made. Position: on case back.

MOVEMENT
Mechanical, self-winding. Japan Made. Caliber: Miyota 8205. Functions: Hour, minute, second, date, day of the week. Quick date setting. Stop-seconds (hacking) to set time precisely. Precision: -20/+40 sec/day. Jewels: 21. Frequency: 21600 vph. Power reserve: Around 42 hours.

CASE
Stainless steel. Diameter: 41 mm. Thickness: 11 mm. Lug width: 21 mm. Water resistance: 5 ATM. Weight: 149 grams (the whole watch including strap). Luminescence: Luminescence on hour hand, minute hand and hour markers. Dial: Black. Sunburst finish. Applied hour markers and the diamond-shaped logo at 12 o'clock. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Hands: Pencil hour and minute hands. Needle seconds hand. Crown: Push-pull. Signed with the diamond logo.

BRACELET
Black. Stainless steel links. No quick release: Need tool to remove strap from case. Fit for case lug width: 21 mm. Clasp: Butterfly clasp. Stainless steel clasp.