Presented for auction by Second Vintage
A captivating example of Japanese horological history, this Seiko Sportsmatic Deluxe embodies the innovative spirit of the mid-1960s. Designed for everyday elegance and reliability, it features a sophisticated silver sunburst dial and a robust automatic movement, making it a compelling addition for any vintage enthusiast seeking a piece with authentic character and practical functionality.
Brand: Seiko
Model: Sportsmatic Deluxe
Reference Number: 427970
Serial Number: 4702043
Movement: Automatic, 23 Jewels
Dial: Silver sunburst dial with applied indices, showing light age-related spotting and surface wear
Case Size: 37 mm (excluding the crown)
Case Material: Stainless Steel
Production Date: July 1964
Condition: Good vintage condition with honest signs of wear and attractive aging
Dial and Hands
The silver sunburst dial features applied faceted steel hour markers and a framed day and date window at the three o'clock position. The prominent applied Seiko Sportsmatic 5 logo sits below twelve o'clock, complemented by crisp black printing denoting the Deluxe, Water 30 Proof, and Diashock 23 Jewels specifications. Upon close inspection, the dial exhibits light, age-related spotting and minor surface discoloration, primarily concentrated towards the outer edges and center, adding a touch of vintage character without compromising legibility. The faceted dauphine hands display an honest, even patina and light oxidation consistent with the watch's age, perfectly matching the aesthetic of the indices.
Case and Crystal
The 37mm stainless steel case presents a classic profile with polished surfaces and gently curved lugs. The distinctive recessed crown at four o'clock and the dedicated date-setting pusher at two o'clock highlight Seiko's thoughtful engineering and practical design language. The case shows normal signs of vintage wear, including surface scratches and minor handling marks, while retaining its overall structural integrity and original lines. The solid snap-on caseback bears the clearly defined serial number on the exterior, with the reference number stamped neatly on the interior. The watch is fitted with a domed acrylic crystal that exhibits some visible surface scratches and light wear.
Movement
Inside the case beats a Seiko automatic movement, proudly displaying 23 jewels. The rotor is distinctively marked with red engraved text reading SEIKO SPORTSMATIC 23 JEWELS. The movement architecture is clearly visible, showing standard signs of age around the casing ring while the core components remain visually well-preserved. Running in vintage operational condition. Maintains the authentic mechanical character of the era, with timegrapher results showing -48s to -52s/day.
Strap
The watch is paired with a black leather strap featuring contrasting white stitching. The strap is secured with a classic stainless steel pin buckle, providing a comfortable and stylish complement to the vintage dial and polished case.
Condition
This Seiko is presented in good vintage condition. The case retains its fundamental shape with honest wear and surface marks indicative of regular use over the decades. The dial and hands display an authentic, age-consistent patina with light spotting and oxidation. The crystal shows some minor scratches. Overall, it stands as a well-preserved and charming example of mid-century Japanese watchmaking.
Dimensions
Case Size: 37 mm (excluding the crown)
Remarks
This Sportsmatic Deluxe captures the essence of 1960s Seiko design, offering a blend of practical complications and refined aesthetics. The day and date functionality, combined with the elegant sunburst dial, make it a versatile piece suitable for both casual wear and formal occasions, representing excellent value for the vintage collector.
History
Introduced in the early 1960s, the Seiko Sportsmatic line was designed to bring reliable automatic movements and practical features to a broader audience. The Deluxe variants offered upgraded finishing and additional jewels, representing a step up in Seiko's mid-tier offerings. These models played a significant role in establishing Seiko's reputation for producing durable, high-quality automatic watches that could compete on the global stage, cementing the brand's legacy in accessible mechanical watchmaking.
/ Second Vintage
SKU: SEI-SDJ-0006















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Seiko - Sportsmatic Deluxe - No reserve price - 427970 - Men - 1964
Seiko • 1964
Sold for
€184
Sold on May 24, 2026
19 bids62 watching
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