Seiko Watch Glass 2102-3030 – Sports Lady (Seventeen) – 17.5 × 21.4 mm – square/domed with date magnifier – acrylic – vintage watch glass – NOS

Original Seiko replacement watch crystal from unsold old stock (NOS) for the Seiko "Sports Lady" (Seventeen) – a small, elegant ladies' watch with date (gold-plated case) from 1965.

Suitable for Seiko 2102-3030 (type code S-CL, カレンダー = calendar/date). Stated on the packaging for スポーツレディ (Sports Lady) or セブンティーン (Seventeen, 17-jewel version). It is a square, curved acrylic crystal with an integrated magnifier (date magnifier) over the date window.

The dimensions are 17.5 × 21.4 mm. Offered by reference and exact dimensions. The crystal itself is unused, clear, and without scratches; signs of age are only on the packaging.

Measurements & References:

• Shape: square (rectangular), curved, with date magnifier (magnifying field)
• Width: 17.5 mm
• Height: 21.4 mm
• Material: Acrylic (Plexi)
• Suitable for: Seiko Sports Lady / Seventeen, Ref. 2102-3030
• Type Code: S-CL (カレンダー)