Description

Title: SEIKO SilverWave Z 7546-7040 Vintage Quartz Day Date Navy Dial Men's Watch Head
Condition: Pre-owned (Working / New battery)

This is a vintage SEIKO SilverWave Z, case number 7546-7040, a rare Japanese-market quartz sports watch from the late 1970s. It features a beautiful navy blue gradient dial, a day-date display (Japanese day wheel), luminous stick hands and markers, and a distinctive stainless steel case with an integrated diver-style bezel. Please note this item is the watch head only; no band or strap is included.

Condition Notes

• Battery replaced with a new one in July 2026. Working at the time of listing.
• Crystal: some light scratches.
• Case: some light scratches.
• Bezel: some light scratches. The bezel does not rotate.
• Overhaul history: unknown.
• Watch head only. No band/strap, box, or papers included.
• As this is a vintage pre-owned item, please check the photos carefully for small scratches and marks.

Specifications

• Brand: SEIKO
• Model: SilverWave Z
• Case Number: 7546-7040
• Movement: Quartz (Cal. 7546)
• Functions: Day-Date
• Dial Color: Navy Blue
• Case Material: Stainless Steel
• Case Size: Approx. 39.5mm (excluding crown)
• Lug Width: Approx. 25mm
• Accessories: None (watch head only)

* Measurements are approximate and may vary slightly.

Thank you for visiting! We are a Japanese seller offering carefully selected items directly from Japan. All items are 100% authentic. Please check the photos carefully as they are part of the description. Feel free to contact us if you have any questions.

Shipping

• Shipped from Japan via FedEx, DHL, or Japan Post.
• Tracking number will be provided.
• Items are carefully packed to ensure safe delivery.

International Buyers - Please Note

For buyers in the United States: Shipments are sent DDP (Delivered Duty Paid). Import duties and taxes are included, so no additional charges will be collected upon delivery.

For buyers outside the United States: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.