The Seiko 7Axx was the first quartz analogue chronograph movement, with a fully jewelled and serviceable metal movement. The watch has a 40mm case diameter and comes on its original Seiko bracelet.

• Condition: beautiful condition
• Case diameter: 40mm
• Length between lugs: 43mm
• Bracelet size: fits up to 6.5"

The Seiko 7A28-7040 is the first analogue quartz chronograph, featuring a fully jewelled movement with a regulator switch. It has a 40mm case diameter and comes on its original Seiko bracelet.

• Condition: Beautiful condition, serviced
• Case Diameter: 40mm
• Length To Lugs: 43mm
• Bracelet Size Fit: 6.5"

a stunning Seiko Speedmaster watch with a quartz analogue chronograph movement and fully jewelled metal case. The watch features a bidirectional rotating bezel and comes on its original bracelet.

• Condition: Beautiful condition as pictured
• Movement type: Quartz analogue chronograph
• Case size: 40mm diameter
• Case length: 43mm l2l

A vintage Seiko 7a28-7040 produced in May 1983, featuring a 40mm case size and 10mm thickness.

• Condition: all original, works as it should
• Case Size: 40mm diameter
• Thickness: 10mm
• Lug To Lug: 43mm

A 1983 Seiko 7a28-7040, produced in May of that year. It is a 40mm diameter watch with a 10mm thickness and lug width of 20mm.

• Condition: All original, works as it should
• Production date: May 1983
• Case size: 40mm diameter
• Thickness: 10mm

A vintage Seiko 7a28-7040 produced in May 1983, featuring a 40mm case diameter and 10mm thickness.

• Condition: All original, works as it should
• Year Of Production: 1983
• Case Size: 40mm diameter
• Thickness: 10mm

a 1983 Seiko 7a28-7040 in good condition, all original and working properly

• Condition: like new
• Case size: 40mm diameter
• Thickness: 10mm
• Lug to lug: 43mm

This is a 1980s chronograph that runs well and has recently been serviced. It features an original stainless steel integrated bracelet with some missing links, suitable for small to medium wrist sizes.

• Case Material: stainless steel
• Bracelet Type: integrated steel bracelet
• Bracelet Links: 15

The Seiko Speedmaster 7A28-7040 is an early example of the world's first analog quartz chronograph, produced in December 1982. It features a 40mm stainless steel case and a black tachymeter bezel with a motorsport-inspired design.

• Condition: Excellent Condition
• Case size: 40mm (diameter)
• Lug-to-lug distance: 45mm
• Thickness: 10mm