The Seiko SQ 100 reflects the brand's approach to everyday watchmaking during the 1980s, combining practical design with the reliability that established Seiko as a leader in quartz technology. Built with durability, accuracy and simplicity in mind, it remains an excellent choice for those seeking a versatile vintage watch with genuine everyday usability.
The silver sunburst dial is clean and understated, reflecting the light to reveal subtle metallic tones across its brushed finish. Black hour markers and matching hands provide excellent legibility, while the day and date display adds practical functionality without disrupting the balanced design. The brushed stainless steel case and original Seiko bracelet complete the watch's restrained, purposeful aesthetic.
Powering the watch is the Seiko 7N43 quartz calibre, a dependable movement renowned for its accuracy and low-maintenance ownership. Featuring a quick-set day and date function, it exemplifies the robust engineering that made Seiko one of the world's leading watch manufacturers during the quartz era.
Presented on its original stainless steel bracelet, the watch wears comfortably and remains well suited to everyday use. At Vintage Watch HQ, we selected this example for its clean original presentation, honest condition and timeless design, making it an appealing introduction to vintage Japanese watchmaking.
Specifications
Brand: Seiko Model: SQ 100 Reference: 7N43-801M Year: Circa 1980s Movement: Quartz Calibre: Seiko 7N43 Case Material: Stainless Steel Case Size: 36mm (including crown) Dial: Silver sunburst dial with black hour markers and hands Crystal: Hardlex mineral crystal Bracelet: Original Seiko stainless steel bracelet Functions: Hours, Minutes, Central Seconds, Day, Date Servicing: Running well at the point of inspection Condition: Excellent vintage condition with light signs of age consistent with careful ownership Box/Papers: Not stated
The watch presents in excellent vintage condition with light, honest signs of wear consistent with its age. The original silver sunburst dial remains bright and well preserved, while the brushed stainless steel case and original bracelet retain their clean, purposeful appearance. As with all vintage watches, the photographs form an important part of the description and should be reviewed carefully.
