[Introduction] This Seiko Crown Diashock Ref. J15003E represents one of Seiko’s most refined dress watch designs from the early 1960s. With its clean silver dial, gold-tone case, and understated elegance, it appeals strongly to collectors seeking a classic, mechanically reliable vintage Seiko. [Historical & Collector Value] The Seiko Crown line holds an important place in Seiko’s history, serving as the foundation for later landmark models such as the Seiko Crown Chronograph (1964 Tokyo Olympics) and the early Grand Seiko developments. This Diashock 21-jewel variant demonstrates Seiko’s pursuit of reliability and precision in the pre-quartz era. Its minimalistic aesthetic, slim profile, and beautifully balanced dial make it a desirable piece for enthusiasts who appreciate early Japanese mechanical craftsmanship. Specifications ◇Brand: Seiko ◇Model: Crown Diashock ◇Reference Number: J15003E ◇Movement: Manual-wind mechanical movement ◇Case Material: Gold-tone (gold-plated) ◇Strap Material: Leather ◇Case Size: Approx. 35 mm ◇Serial Number: Engraved on caseback (J15003E marking visible) ◇Other Features: 　Diashock anti-shock protection 　Smooth crown operation ●Condition 　・The watch is in good vintage condition. 　・Dial: Clean overall with light aging consistent with age. 　・Case: Gold-tone finish with minor wear marks. 　・Crystal: Clear with minor signs of use. 　・Hands & markers: Original gold-tone components in good condition. 　All functions operate properly. ●Service History Fully operational, all functions checked Although maintenance and operational checks have been performed, please note that battery replacement or a future overhaul may be required depending on long-term use. ●Shipping & Customs International shipping available. Import duties, taxes, or customs fees (if applicable) are the responsibility of the buyer.