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The record

Ref. 4-722175 Y

01 Dealer’s notes

1971 CITIZEN AUTOMATIC — MIDNIGHT BLUE IN STEEL

Produced in October 1971, the Citizen Automatic 4-722175 Y captures a defining period in Japanese watchmaking, when traditional mechanical craftsmanship was meeting the bold, architectural design language of the 1970s. During this era, Citizen was expanding its automatic offerings with increasingly sophisticated movements and unconventional case designs. This particular reference embodies that transition, pairing a distinctly modern silhouette with the mechanical engineering that helped establish Citizen as one of Japan's leading watchmakers.

The centerpiece is a striking midnight-blue fumé dial, featuring a subtle gradient that transitions from a lighter blue at its center to a richer, darker blue around its perimeter. This smoky effect gives the dial a remarkable sense of depth, shifting in character depending on how the light catches its surface. Polished silver-tone hands and applied rectangular hour markers provide a sharp contrast against the dial, while a framed day-date aperture at three o'clock adds a functional, geometric detail without disrupting its restrained composition. Surrounding it is a substantial stainless steel tonneau case, measuring approximately 35.5mm across, with broad brushed surfaces, angular shoulders, and a polished inner bezel. The matching brushed steel bracelet continues the case's sharp lines, giving the watch a cohesive, distinctly seventies appearance.

Inside is a 26-jewel automatic movement belonging to Citizen's 72-series family, a generation of mechanical calibers introduced around the turn of the decade. These movements represented an important step forward in Citizen's pursuit of refined, dependable automatic timekeeping, incorporating practical features such as hand-winding capability and day-date functionality. The 26-jewel construction reflects the mechanical sophistication Citizen was bringing to its everyday wristwatches during this period.

What makes this Citizen particularly compelling is its balance of restraint and character. The blue fumé dial lends an understated elegance, while the angular case and integrated-style bracelet give it an unmistakably vintage personality. More than fifty years after its production, the design remains remarkably contemporary, offering an appealing example of the creativity and technical ambition that defined Japanese watchmaking in the early 1970s.

Three points to note.

  • Produced in October 1971, featuring a midnight-blue fumé dial with a graduated dark blue outer edge.

  • Stainless steel tonneau case measuring approximately 35.5mm, paired with a matching brushed steel bracelet.

  • Citizen 72-series automatic movement family with 26 jewels and day-date functionality.

02 Specimen sheet

Brand
Citizen
Reference
4-722175 Y
Year
1971
Gender
Men
Movement
automatic, caliber 7210
Function
hours, minutes, seconds, day, date
Case
36 mm - Stainless steel
Case back
Stainless steel
Case excluding crown
36 mm
Case with crown
38 mm
Lug-to-lug
41 mm
Thickness (crystal included)
12 mm
Lug width
12 mm
Dial
fume blue
Strap / bracelet
stainless steel, original
Wrist fit
Fits wrists up to 6.25 in
Buckle
original, signed Citizen
Crown
original, signed CTZ
Crystal
acrylic (condition: 10/10)
Water resistance
None — keep dry
Box
no
Paper
no
Includes
watch and bracelet only

03 Condition report

This Citizen is in good vintage condition and presents beautifully for its age. The original crystal has been replaced with a brand new acrylic crystal, which is in perfect condition. The stainless steel case has been refinished, featuring a brushed finish on the top surfaces and a mirror polish along the sides. The bracelet and clasp exhibit significant scratches consistent with decades of wear, though they retain an attractive vintage character and still present nicely. The caseback also shows significant scratching, primarily from previous attempts to open it. Please note that the day wheel has a minor functional issue: it lags during the transition between Monday and Tuesday, but successfully advances to Wednesday, after which it operates normally through Sunday. Overall, the watch presents well, combining a freshly refinished case with the authentic character of its original vintage bracelet.

Assessed in-house from the watch in hand. Full details on request.

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