Helbros Invincible wristwatch (not authenticated)

This is a vintage women's mechanical wristwatch featuring a round silver-toned metal case and a light-colored dial. The watch is attached to a flexible, metallic expansion bracelet with a textured chevron or wave pattern along the links. The dial displays clear Arabic numerals for the hour markers, surrounded by a minute track with small dot markers. The hands are dark-colored, possibly blacked steel, and include a central hour hand, minute hand, and a sweeping second hand. Notable markings visible on the dial include a circular logo containing the letter 'h' near the top, the brand name 'HELBROS' underneath it, the model designation 'INVINCIBLE' below the center, a small infinity or wave-like symbol above the six o'clock position, and the word 'SWISS' at the very bottom edge of the dial. The acrylic or glass crystal shows minor surface scuffs and scratches consistent with age and use. The metal case exhibits light surface wear, minor tarnish, and accumulated patina around the bezel and crown. The identification rests upon the clearly legible brand and model text printed on the dial face, though the physical piece remains unauthenticated. The style and construction details are consistent with mid-20th-century watchmaking, likely dating from the 1950s or 1960s, though no specific production year can be confirmed from the visual evidence alone.

Based on what I can see in the photograph, this is a vintage women's mechanical wristwatch bearing markings for Helbros Invincible, featuring a round silver-toned metal case, Arabic numeral dial, and a flexible expansion bracelet. However, I can't verify from a photo whether the movement, dial, and components are entirely original, and the piece remains unauthenticated. I would need physical inspection to confirm the internal mechanics, material composition, and overall working condition. The visual style is consistent with mid-20th-century Swiss watchmaking from the 1950s or 1960s. The estimated value range of $75 to $150 reflects the typical market demand for vintage mid-century women's mechanical dress watches of this general type, assuming the attribution is correct. Condition significantly impacts this estimate; the visible surface scuffs, scratches on the crystal, and tarnish on the case suggest moderate wear that reduces collector interest compared to a pristine example. Furthermore, if this item turns out to be a reproduction, replica, or an unattributed generic piece lacking the Helbros movement, the value would likely drop to a nominal $20 to $40 decorative tier. To confirm the authenticity and precise value of the watch, an in-person examination by a horologist is required, alongside internal movement inspection and potential service history verification.