






Seiko 5 Square 6119-5401
Seiko 5 Square Ref. 6119-5401 (1974), automatic Cal. 6119. . Silver Sunburst; case stainless steel. Fully serviced, 12 months warranty.
Seiko 5 Square 1974 — First impression - 6119-5401
The Seiko 5 Square Ref. 6119-5401 from 1974 embodies the daring design spirit of the 1970s, offering a distinctive square stainless steel case paired with Seiko’s dependable Cal. 6119 automatic movement. This men’s dress watch stands out with its crisp silver sunburst dial, perfectly proportioned rectangular hour markers, and discreet day-date complication. A watch for collectors who appreciate unique shapes and the enduring reliability of vintage Japanese timepieces.
Seiko 5 Square - Silver Sunburst Dial
The silver sunburst dial catches light at every angle, enhancing the watch’s geometric aesthetic. Applied rectangular black hour markers are accented with luminous dots, ensuring legibility in low light. The “Seiko 5” emblem is placed proudly at 12h, balanced by “Automatic” and “21 Jewels” at 6h, communicating both its mechanical pedigree and timeless appeal.
Hands
The dauphine-style hands feature black central segments with luminous inserts, perfectly matching the applied markers. A silver sweep second hand with a black tip completes the dynamic visual balance, further emphasizing the watch’s period-correct Seiko design cues.
Seiko 5 6119-5401 - Square Stainless Steel Case
The square case, crafted in stainless steel, combines brushed surfaces with polished edges, creating a dynamic play of textures. Measuring a comfortable mid-size for the era, it offers both presence and wearability. Its bold shape was a departure from round norms, a statement of 1970s modernism in horology.
6119-5401 - Crown
The crown is positioned at 3h, blending seamlessly into the case design while ensuring easy access for time and date setting. Its discreet size and polished finish maintain the watch’s clean, architectural profile.
Seiko 5 Square Leather Strap
Fitted with a high-quality dark green leather strap accented by beige stitching, this replacement complements the watch’s silver dial and case. While not the original bracelet, it enhances the timepiece’s versatility and comfort.
Movement and Technical Excellence
Inside ticks the Seiko Cal. 6119 automatic movement with 21 jewels, a proven and service-friendly calibre from the golden age of Japanese horology. Operating at 21,600 vibrations per hour, it provides smooth timekeeping and reliable day-date functionality. Fully serviced for accuracy and performance, it’s a testament to Seiko’s engineering heritage.
Heritage of the Seiko 5 in the 1970s
The Seiko 5 line became iconic for its combination of robust build, automatic winding, day-date complication, water resistance, and recessed crown at 3h. In the 1970s, square and angular cases reflected broader design trends in fashion and architecture, making this watch both a functional tool and a style statement. For more examples of this celebrated series, explore our Seiko vintage watches with distinctive 1970s case designs.
Seiko 5 Square — Condition, Originality, Trust
This watch is fully operational, all original in its core components, and has been professionally serviced. It comes with a 12-month warranty for your peace of mind. Worldwide shipping is available. For collectors of refined Japanese design, our curated men’s vintage watches with rare case shapes offers additional options.
Technical Details
| Brand | Seiko |
| Model | 5 Square |
| Reference | 6119-5401 |
| Condition | Used |
| Gender | Men's |
| Caliber | 6119 |
| Category | Dress Vintage Watch |
| Production Year | 1974 |
| Dial Color | Silver Sunburst |
| Case Material | Stainless Steel |
| Movement Type | Automatic |
| Fully Serviced | Yes |
| Fully Operational | Yes |
| Original Watch Components | Yes |
| Warranty | 12 Months |
Choose options







This piece has found a new wrist.
FAQ: Seiko 5 Square 6119-5401
-
Is this Seiko suitable for daily use?
Yes, if handled responsibly, serviced Seiko watches are fully suitable for regular wear.
-
Is this Seiko water-resistant?
Vintage watches are not guaranteed to be water-resistant unless explicitly tested and stated in the listing.
-
Are original straps or bracelets included?
Original straps are included only when stated; otherwise, a new high-quality replacement strap is fitted.
-
Can you adjust the strap before shipping?
Yes, we can size leather straps or metal bracelets upon request.
-
Where was this Seiko manufactured?
Seiko is a Japanese brand; production for lines like 7009/7S26 was in Japan and other Asian facilities. This model is not Swiss-made.





