Vintage 1982 JAPAN SEIKO QUARTZ DIVER'S 150M 6458-6000 7Jewels Quartz.

Vintage 1982 JAPAN SEIKO QUARTZ DIVER'S 150M 6458-6000 7Jewels Quartz.

Welcome to my auction!

Item description

Movement :

• Pet name : 64 QUARTZ DIVER'S 150M .
• Caliber number : 6458A.
• Movement : Quartz.
• Year of manufacture start : 1981's.
• Factory : Suwa.

Externals :

• Serial No. : 211351.
• Dial No. : JAPAN 6458-600LT.
• Glass : Crystal.
• Case size : About 37.45mm.
• Lug width : 19mm.
• Band : Silicone/Rubber

Condition :

• Used, it runs well. Battery replaced
• Approximate width of the bezel : 36.5mm. Bezel operation: good.
  Quick set(Day/Date) : Okay.
  Day of the week can be set in English or Kanji.
  Set of the date : The set at one stage pulling the crown.
• Approximate watch rate at Japan : Quartz.
• For practical, everyday use, it would be advisable to have the movement cleaned and oiled.
• A waterproof test is required for use in diving etc.
• There are some light scratches on the glass.

Key Features

• The Sovereign Icon of Early 1980s Mid-Size Diver Engineering (1982): Manufactured in 1982—a landmark historical era when Seiko defined the global benchmark for professional dive watches—the Seiko Quartz Diver's 150m reference 6458-6000 represented Suwa Seikosha's premier mid-size tool watch. Engineered as a high-precision, highly durable professional diving instrument, it brought heavy-duty ISO diver standards into a versatile, perfectly proportioned mid-size footprint.
• The Heavy-Duty 7-Jewel Caliber 6458 Quartz Engine: Powering this rugged instrument is the high-torque, in-house 7-jewel Caliber 6458, operating at 32,768 Hz. Far removed from cheap modern quartz movements, the 6458 was an over-engineered, fully metal gear-train caliber featuring 7 jewels specifically designed to handle high-torque demands to drive heavy, high-legibility diver hands and dual calendar disks with exceptional battery longevity and extreme temperature stability.
• Architectural ""6000"" Stainless Steel Case and 120-Click Bezel: Built like an absolute tank, the reference 6458-6000 features a solid, brushed stainless steel case with integrated protective crown guards housing a screw-down crown at 4 o'clock. Surrounding the heavy-gauge crystal is a precise, bi-directional (or uni-directional depending on market) 120-click rotating elapsed-time bezel with an inlaid luminescent pip at 12 o'clock for underwater timing legibility.
• High-Contrast Tactical Dial and Bilingual Day-Date Utility: The dial of the 6458-6000 is engineered for instantaneous legibility, featuring a matte black backdrop adorned with oversized, hand-applied thick Promethium/LumiBrite hour markers framed in polished surrounds. Symmetrically positioned at 3 o'clock, the dual-calendar window features a bilingual (English/Kanji) day disk alongside the date wheel, offset by the bold ""DIVER'S 150m"" typography above 6 o'clock.
• An Investment-Grade Cult Classic of Suwa's Diver Heritage: Produced during the apex of Seiko's quartz diver golden age, the 1982 6458-6000 mid-size 150m Diver remains an exceptionally sought-after, highly collectible reference for vintage tool watch purists worldwide. Serving as the direct design ancestor to the famous 7C43 and SKX mid-size divers, it stands as an eternal testament to 1980s Japanese professional horology.

For more information, please look at the pictures.

Notes

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