Seiko Automatic Ref. 2205-0801 – Vintage Blue Dial – Hi-Beat 28,800 VPH – Date – Stainless Steel

A superbly period vintage Seiko Automatic ref. 2205-0801, combining a rich blue dial, compact angular stainless-steel case, date display and an intricate multi-link bracelet.

The caseback gives us a firm identification this time: 2205-0801, with serial number 591992 clearly visible. Importantly, the first four digits identify the movement family as Calibre 2205A. This is a technically interesting small automatic movement running at 28,800 vibrations per hour, with both automatic and auxiliary hand winding. Movement references document the 2205A as the date-only member of the family, while the closely related 2206A added a day display.

Visually, the watch is pure vintage Seiko: a deep blue dial, substantial applied indexes, framed date aperture at 3 o'clock and the sharply faceted case architecture characteristic of the period.

Watch Details

• Brand: Seiko

• Model: Automatic Date

• Reference: 2205-0801

• Serial Number: 591992

• Era: Vintage, circa 1970s

• Case: Stainless steel

• Dial: Deep blue / sunburst-style finish

• Hour Markers: Applied silver-tone baton indexes

• Hands: Silver-tone hour and minute hands

• Seconds: Central sweep seconds

• Date: Framed aperture at 3 o'clock

• Movement: Seiko Calibre 2205A

• Movement Type: Automatic mechanical with auxiliary hand winding

• Frequency: 28,800 vph / 4Hz

• Movement Diameter: Approximately 17.2mm

• Movement Thickness: Approximately 5.65mm

• Jewels: The 2205A was produced in several jewel-count configurations; exact count on this example should be confirmed from the movement rather than assumed

• Caseback: Stainless steel, screw-back

• Caseback Markings: SEIKO, WATER RESISTANT, JAPAN-A, STAINLESS STEEL, 2205-0801

• Bracelet: Stainless-steel multi-link bracelet as fitted

• Clasp: Folding clasp with micro-adjustment

• Water Resistance: Originally marked Water Resistant; no current water resistance is guaranteed without pressure testing

• Included: Watch and bracelet as photographed

Movement documentation records the 2205A at approximately 17.2mm across, around 5.65mm thick and operating at 28,800 vph. Sources also document multiple jewel-count versions of the calibre, so I would deliberately avoid advertising this particular watch as 17, 21 or 25 jewels until the movement itself has been inspected.

Condition

This is an attractive vintage example with clear signs of genuine previous use.

The blue dial remains the strongest visual feature, changing considerably with the light from dark navy to a brighter electric blue. Applied silver-tone baton indexes and matching hands provide excellent contrast, while the framed date aperture at 3 o'clock completes the classic 1970s Seiko appearance.

The crystal displays scratches, marks and age-related wear, all visible in the supplied photographs. The stainless-steel case also shows scratches, scuffs and general surface marking consistent with a vintage watch that has been worn.

The caseback remains particularly clear, retaining the reference 2205-0801 and serial 591992 alongside the original Seiko, Water Resistant, Japan-A and Stainless Steel markings.

The stainless-steel bracelet and clasp show surface scratches and wear. It is described as the bracelet as fitted rather than represented as unquestionably original without additional documentation.

No box, papers or service history are shown. Running condition, accuracy, power reserve and service history should only be stated according to any testing carried out before sale.

Please study all photographs carefully, as they form an important part of the condition description.

Calibre 2205A – A Small High-Frequency Automatic

The movement is where this watch becomes especially interesting.

Seiko's 22-series movements were designed to package serious mechanical functionality into remarkably compact dimensions. The 2205A is an automatic date calibre operating at 28,800 vph, considerably faster than many mainstream vintage movements.

At eight beats per second, that makes it perfectly reasonable to describe the movement technically as high-beat/high-frequency, although I would avoid presenting “Hi-Beat” as an official model name unless it appears on the watch itself.

The 2205A also incorporates auxiliary hand winding, giving the wearer the option of manually winding the movement through the crown in addition to normal automatic winding.

The 2205 and 2206 Family

This watch also fits nicely alongside the other small vintage Seikos you've been working with.

The distinction between the movements is important: 2205A is automatic with date, while 2206A adds day and date. Both belong to Seiko's compact high-frequency 22-series architecture.

The later technical documentation for the 2206A describes the related movement architecture as running at 28,800 vph and highlights the effort Seiko put into combining compact dimensions with automatic winding and calendar functionality.

That makes these small vintage Seikos considerably more mechanically interesting than their modest dimensions might suggest.

Why Collectors Love the Seiko 2205-0801

There is a lot to like here: the deep blue dial, angular stainless-steel case, compact proportions, date complication and 28,800-vph automatic movement all capture a particularly inventive period of Seiko design.

The reference is also clearly established from the watch itself as 2205-0801, rather than inferred from a similar example. That is particularly useful for collectors looking for specific vintage Seiko case and movement combinations.

And unlike many small vintage watches that relied on simple manual-wind movements, the 2205A manages automatic winding, auxiliary hand winding, central seconds and date indication in an exceptionally compact package.