Vintage 1966 Seiko Seikomatic-R 8305-8010 Automatic 30J Silver Dial Watch For Sale

Vintage 1966 Seiko Seikomatic-R 8305-8010 Automatic 30-Jewel Silver Dial Watch

Up for sale is a classic 1966 JDM Seiko Seikomatic-R Ref. 8305-8010 featuring a 30-jewel automatic movement and a clean silver sunburst dial. Freshly imported from Japan, this piece features a freshly polished crystal and a brand-new leather strap. It comes complete with a period-style 1990s Seiko display box and an additional vintage "Bear" brand stainless steel bracelet.

Key Features & Details

• Reference Number: 8305-8010

• Manufacturing Date: March 1966 (Confirmed via case back serial)

• Movement: Seiko Caliber 8305 Automatic (30 Jewels) with date display

• Dial & Case: Crisp silver sunburst dial with sharp applied baton indices, framed date window, and a clean stainless steel case with the dolphin case back emblem

• Crystal & Strap: Freshly polished acrylic crystal with excellent clarity; fitted on a brand-new black leather strap

• Included Accessories: Includes a vintage 1990s Seiko display box and a small, period-correct "Bear" brand stainless steel bracelet

• Provenance: Direct JDM import

Condition & Mechanical Health

• Timegrapher Performance: Tested with excellent, stable timekeeping, strong amplitude, and minimal beat error.

• Cosmetics: Clean pre-owned vintage condition. Case retains sharp geometry with light, honest wear consistent with age.

Water Resistance DisclaimerDue to the vintage nature of this timepiece, original water resistance is no longer tested or guaranteed. Please keep this watch away from water to retain your watch's vintage beauty and mechanical health.