Seiko SQ100 Moonphase Quartz

This Seiko SQ100 quartz watch is offered by DialArchives as a genuine pre-owned vintage timepiece.

It features a white multi-function dial with moonphase-style display, day, date, and 24-hour sub-dials. The watch has a two-tone stainless steel and gold-tone bracelet, gold-tone bezel accents, and a classic Seiko design with strong vintage character.

Features

Brand: Seiko
Model: SQ100
Movement: Quartz
Dial: White multi-function dial
Display: Moonphase-style display, day, date, and 24-hour sub-dials
Approximate Case Diameter: 34 mm
Case / Bracelet: Two-tone stainless steel and gold-tone bracelet
Bezel: Seiko-branded bezel
Water Resistance Marking: 100M / 10 Bar / 10 ATM
Condition: Pre-owned vintage condition with visible signs of age and use

Condition

This Seiko SQ100 is offered in fair vintage condition. The case and bracelet show visible surface marks and wear consistent with age and use. The dial presentation remains attractive overall, and the watch presents well as a vintage Seiko multi-function quartz piece.

Please review all photos carefully for the exact condition, as they form part of the item description.

Overall Condition: 3.0 / 5 — Fair Vintage Condition

DialArchives Condition Rating

DialArchives condition ratings are internal visual assessment scores based on the item’s visible condition, presentation, and basic operation at the time of listing. These scores are provided as a guide only and are not an official manufacturer assessment, authentication certificate, pressure test, timing report, or service report.

Important Note

The decorative treasure box shown in the photos is for display purposes only and is not included in the sale. The sale includes the watch only, unless otherwise stated.

Please review all photos carefully, as they form part of the item description. This item is sold in the condition shown, with any age-related wear, marks, or signs of use visible in the photos. Any box, papers, accessories, or service history are included only where clearly shown in the photos or stated in this listing.

DialArchives is an independent seller and is not affiliated with, endorsed by, or authorised by Seiko. Brand names, model names, and reference details are used only to identify the product.

Pre-owned and vintage watches may show variation in operation and accuracy. Unless explicitly stated, no long-term accuracy guarantee is provided. Water resistance has not been tested unless specifically stated.