A vintage Seiko QR model with a gradient blue dial and faceted crystal. This quartz watch features a classic design, stainless steel case, and a monocrystalline quartz movement.

• Condition: very well preserved, serviced and replaced with new battery
• Case size: 37mm (without crown)
• Lug to lug: 40mm
• Lug width: 18mm

Up for sale is a Seiko Quartz QR reference 3863–7020 featuring stainless steel case with a case size of 37mm. The watch has a good condition with no major dents or dings.

• Condition: good with a few hairline scratches
• Case size: 37mm diameter
• Bracelet size range: adjustable

This Seiko Quartz QR reference 3863–7020 features a stainless steel case with a 37mm diameter and a beautiful dial. The watch comes with its original bracelet that can fit up to any size and has a quartz movement working perfectly fine.

• Condition: good (with a few hairline scratches)
• Case Size: 37mm
• Bracelet Size: fits up to any size

A Seiko Quartz QR reference 3863–7020 features a stainless steel case with a 37mm size and a beautiful dial. The watch comes on its original bracelet and has a quartz movement working perfectly fine.

• Condition: Good, with a few hairline scratches on the case and little signs of aging on the dial
• Case Size: 37mm diameter
• Movement Type: Quartz

The Seiko QR 3863-7020 is a quartz watch with a blue dial, stainless steel case and bracelet. It represents the quartz revolution that transformed the watch industry in the 1970s.

• Case Size: 38 mm including crown
• Lug To Lug: 41 mm
• Thickness: 110mm

A quartz-powered Seiko watch from the 1970s with a striking blue dial, stainless steel case and bracelet, and accurate timekeeping.

• Case Size: 38mm (including crown)
• Lug To Lug: 41mm
• Thickness: 110mm