Seiko - King Seiko - No reserve price - 5626-7120 - Unisex - 1972

Vintage King Seiko KS Hi-Beat Automatic Day-Date 5626-7120 – Gray Dial – March 1972

Specifications:

Brand: Seiko
Model: King Seiko (KS) Hi-Beat Reference
Number: 5626-7120
Serial Number: 232447
Date of Production: March 1972 (decoded from serial number)
Movement: Seiko Caliber 5626 Automatic Hi-Beat (28,800 bph, hand-winding & hacking)

Functions: Quickset Day-Date display (Kanji / English wheel)
Dial Color: Charcoal Gray / Dark Gray Sunburst
Case Material: Stainless Steel (Monocoque "Open Thru Glass" case construction)
Caseback: Monocoque steel caseback featuring original Gold KS Medallion
Crown: Original signed "KS" Crown Case Size: Approx. 38 mm (including crown) / 36 mm (excluding crown) Lug Width: Approx. 18 mm Crystal: Mineral Glass
Bracelet: Aftermarket Stainless Steel Oyster-style bracelet (fits wrists up to approx. 17 cm)

Description:
An exceptional piece of vintage Japanese horology produced by Suwa Seikosha, this King Seiko Hi-Beat Reference 5626-7120 dates precisely to March 1972. It features a front-loading monocoque stainless steel case designed to maximize water resistance and case rigidity. The dark charcoal gray dial is detailed with applied faceted hour indices, crisp dial printing, and the signature HI-BEAT logo positioned above the Suwa symbol. The reverse side showcases the original gold KS medallion insert set into the polished steel caseback. Powered by the high-grade Caliber 5626 automatic movement operating at 28,800 beats per hour, it includes a dual Kanji/English calendar wheel.

Condition Report:
Movement / Functionality: Monitored over several hours; running smoothly without significant time deviation. Overhaul history is unknown.
Crystal: Glass crystal shows visible scratches consistent with age and honest vintage wear.
Case & Dial: Dark gray dial is in clean condition with sharp markers. The stainless steel case retains sharp geometry and original profile lines. The caseback's gold KS medallion remains intact.
Crown: Original signed "KS" crown.
Bracelet: Fitted on an aftermarket stainless steel bracelet with fold-over clasp, sized for wrists up to approximately 17 cm.

Notes for Bidders:Please examine all high-resolution photos carefully as they form an integral part of the description and condition disclosure. As a vintage mechanical timepiece with unknown service history, periodic maintenance/overhaul is recommended for daily precision use.