Vintage Seiko Rare RED STRIPE 2205-0640 Ladies Automatic Diver Hi-Beat

Vintage Seiko 2205-0640 Automatic 150m "Lady Diver" (1970s)

Running well and keeping good time .

Finding a legitimate, vintage professional dive watch in a compact form factor is a true collector’s challenge. While the men's 6105 and 150m divers dominate headlines, Seiko’s Daini factory engineered this absolute gem for the female and small-wristed market in the 1970s. The Seiko 2205-0640 is not a fashion watch mimicking a diver—it is a fully realized, ISO-rated 150m tool watch featuring a sophisticated hi-beat automatic movement. With its distinct 1970s case geometry, matte black dial, and rugged charm, it offers immense vintage appeal and historical significance in a highly wearable 29mm package.

Specifications

• Brand: Seiko

• Model Reference: 2205-0640

• Era: 1970s

• Origin: Japan (Daini Seikosha Factory)

• Movement: Caliber 2205A Automatic (Hi-Beat, 28,800 bph, 17 Jewels)

• Case Material: Stainless Steel

• Case Diameter: 29mm (excluding crown)

• Lug-to-Lug: 35mm

• Thickness: 11mm

• Lug Width: 13mm

• Dial: Matte Black with Applied Luminous Plots

• Bezel: Bi-directional, Friction-fit Countdown Bezel

• Functions: Hours, Minutes, Central Seconds, Quickset Date (via pulling crown)

Collector's Notes & Condition

• The Movement: Powered by the robust 2205A movement. Unlike many smaller watches of the era, this is a true high-beat calibre running smoothly at 28,800 bph. It features a unique date quickset—simply pull the crown out to advance the date.

• The Design: Features the classic Daini lightning bolt logo on both the dial and the case back. The bi-directional bezel turns smoothly by friction, which is factory-correct for this specific reference.

• Condition Disclaimer: Note that while it was originally rated for 150m, it should not be submerged without a modern pressure test).

Why It Belongs in Your Collection

The Seiko 2205-0640 bridges the gap between rugged utility and classic proportions. Whether you are a seasoned Seiko archivist looking to complete a reference family, or searching for the perfect vintage gift for a smaller wrist, this "Lady Diver" delivers undeniable retro presence and mechanical pedigree.