Discover a vintage Seiko 5 Automatic Watch for men, featuring a 39mm stainless steel round case, a sleek black dial, and a classic silver-tone day/date window. This piece is offered for parts or repair and has been heavily modified; it does not function as a complete timepiece in its current state. It’s an ideal candidate for collectors, restorers, or hobbyists who want parts, a project watch, or a displayable vintage Seiko 5 silhouette.

• Movement: Mechanical (Automatic) with 21 Jewels
• Case: Stainless Steel, 39 mm, Screwback, Silver tone
• Dial: Black, Analog, 12-Hour Dial with Stick Indexes
• Bezel: Fixed, Silver
• Band: Stainless Steel bracelet
• Water Resistance: Not Water Resistant
• Vintage: Yes
• Model/Reference: Seiko 5, 6309-8840
• Display: Analog
• Condition notes: Day does not flip correctly; heavily refurbished; scratches and scuffs from regular use; sold as-is for parts or repair; no papers, no box, and no returns

This Seiko 5 piece is best suited for parts salvage, restoration projects, or as a display-worthy vintage reference for Seiko enthusiasts. With its classic 39mm case size and timeless Seiko 5 design language, it offers collectible potential and a foundation for spares—whether you’re rebuilding a similar model or sourcing specific movement components, dial parts, or the screwback case.