Vintage Seiko Quartz Seiko Chronos 7433-7010 Gold HGC （Hard Gold Coating）2Jewels Analogue Gold Fluted Bezel Luminous Hands/Index Dial Private Seiko Brand Gold Stainless Steel Band New Battery Excellent Condition: KQ180 The Seiko Chronos series sits in a very specific place in Seiko history: Mid-tier “refined quartz” line (1980s–1990s) is positioned below King Quartz / Grand Quartz, but above basic Seiko Quartz, focusing its elegant design elegance with reliability, not extreme accuracy like King Quartz also with strong domestic （JDM） orientation. Design philosophy is a slim, geometric cases transitioning from 1970s angular style, textured dials （linen / tapestry） and business/dress orientation with Day-Date practicality. Chronos was “everyday luxury quartz” for Japanese salaryman in those days. Though Chronos line is itself common in Japan, this model is highly valued among Japanese collectors for the points 1. Design appeal “Vintage Date just-style aesthetic” (fluted bezel, linen dial) Classic 1980s Japanese elegance 2. JDM uniqueness Kanji/English day wheel Domestic-market exclusivity 3. Practicality Quartz reliability (no winding, accurate) Thin & comfortable daily wear 4. Build quality Daini production Metal quartz movement （not disposable type） Chronos line itself = common in Japan Seiko Chronos 7433-7010 is not a high-end quartz like Grand Quartz, not rare like early Astron. But a very well-designed, honest JDM vintage dress watch and strong value in design + usability + affordability The model’s Case: Stainless Steel + HGC （Hard Gold Coating） HGC = harder than normal plating → better durability and premium feel and restrained dial make it highly wearable while preserving the practical durability. Seiko is known for collectors who appreciate honest, functional quartz pieces from Seiko’s broad catalog. A refined and dependable watch that reflects Seiko’s commitment to quality and timeless design. Seiko Chronos 7433-7010 an understated classic that combines timeless Japanese watchmaking with everyday elegance. Its crisp white dial, sleek stainless-steel bracelet, and precise Seiko quartz movement make this an effortless gift for the discerning professional. Ready to wear, reliable, and refined — a tasteful choice for anniversaries, promotions, or special moments. ■ Brand: Seiko Chronos • Model Number:7433-7010 • Product Number:3D0056 Manufactured December 1983: Seiko serial numbers are six digits long, with the first two digits indicating the year and month of manufacture. The first number （3） indicates the third year of the 1980s, meaning the watch was manufactured in 1983. The next letter （D） is the month code. For Seiko, 1-9 represents January through September, O = October, N = November, and D = December. → "N" is November. Therefore, this watch was manufactured in December 1983. ■ Technical features of the Seiko caliber 7433 • Type: Quartz （battery powered） movements → better longevity than later budget quartz • Accuracy: ±15 sec/month • Function: Day-Date （Kanji + English） • Quickset: Yes （date/day correction） • Construction insight: Early/mid 1980s Seiko quartz = still semi-metal construction • Movement size: ~11.75–12 lignes Thin profile → allows ~8 mm case thickness • “2 jewels” in quartz ≠ low quality → Used only for critical gear pivots, perfectly normal. • Power reserve:40 hours • Hacking: Yes • Quartz Frequency （Cal. 7433）:f=32768 Hz The movement uses a quartz crystal vibrating at 32,768 Hz This is the standard frequency for almost all quartz watches, including Seiko • High stability : typical accuracy ±15 sec/month • Battery:SR721SW Low power consumption : long battery life (~2–3 years) Reliable timekeeping without mechanical variation • Jewels:2jewels（ruby and other bearings for increased durability and accuracy）“2 jewels” in quartz ≠ low quality Used only for critical gear pivots, perfectly normal • Dial Display: Champaigne light Gold color dial with simple bar indexes 3 hands and day/date display • Development division: Daini (Kameido, Tokyo, Japan) ■Materials: • Case: Stainless Steel + HGC （Hard Gold Coating） HGC = harder than normal plating → better durability and premium feel. • Case Size:36mm excluding crown X 40mm including case lug Thickness: 8mm • Dial Display: Champaigne light Gold color dial with Luminous Hands/Index Dial simple bar indexes 3 hands and day/date display • Case Back: S Steel Inside is marked O.H.Records of H12.11 meaning November 2000 • Total Weight:65.1gms • Crystal: Hardlex mineral • Water Resistant: Water resistance: ~30–50m （original spec） resistant for everyday life water dishing/showering but don't expect too much due vintage model Even if it was labeled "Water Resistant" at the time, it doesn't meet modern water-resistant standards. Avoid using it around water. • Band: Brand-new Leather Band and 22cm long with 5cm less adjustable in 8 holes ■Guide to set day/date/time: • First unlock the crown by rotating the crown counterclockwise till it pop out （When everything is adjusted you need to fasten the crown locked by pushing/rotating clockwise） • Second pull out to first notch position to rotate the crown clockwise for change of Weekday and counterclockwise for change of Date • Third pill out the notch to second position to adjust Time-hour/minute/second（Hacking works）, making sure AM/PM is correct. ■Condition: Overall: The watch is in good pre-owned vintage condition and is currently in working order. There are light scratches and signs of wear on the case consistent with normal use over time. Case: Stainless Steel case shows typical surface scratches, micro-scuffs, and signs of wear consistent with its vintage age and regular use. Dial & Crystal: The dial remains in excellent, clean condition, well preserved with clear printing, applied indices, and an attractive texture that has aged gracefully. New battery was replaced April 9th 2026 so you are rest assured for the time being. Tested twice by manual swinging 400 times each time during Apr.2nd to Apr.12th 2026, The watch is in very good condition overall and still does work precisely, but very careful handling, when winding and setting time, is required due to a real vintage watch. As the movement and lubrication are in good condition. It was functioning normally at the time of listing, so it should continue to function without any issues. Please be sure you are satisfied with the condition before bidding, so please check the photos and product description and ask any questions you may have (please note, however, that we may not be able to answer questions close to the end of the auction)