Vintage Seiko “Baignoire” Watch in Black - Mint Condition

A beautiful expression of vintage elegance, this Seiko 1F21-5B70 features a delicate oval-shaped gold-tone case, classic white dial, and sleek black leather strap.

Reminiscent of the iconic Cartier Baignoire silhouette, this timeless Japanese timepiece embodies understated sophistication with its graceful curves, refined proportions, and jewellery-inspired design.

Elegant and effortlessly versatile, it is perfect for everyday wear or as a delicate finishing touch to a more dressed-up look.

Product Details

• Brand: Seiko
• Model: 1F21-5B70
• Style: Vintage Oval Ladies Watch
• Dial: White with elegant number markers
• Case: Gold Tone
• Movement: Japanese Quartz
• Strap: Genuine Black Leather (Aftermarket Replacement)
• Strap Width: Approximately 12 mm
• Buckle: Gold Tone
• Condition: Excellent Vintage Condition
• Functionality: Functional, with battery replaced in August 2026

Approximate Dimensions

• Strap Width: 12 mm
• Wrist Fit: Up to approximately 17.5 cm (6.9 inches)

Please refer to the product photographs for visual proportions. Measurements are approximate.

Condition & Important Notes

This beautiful vintage Seiko timepiece is presented in excellent vintage condition, retaining its elegant appearance and timeless charm.

Please note the following:

• The watch crystal is clear and in excellent condition, with no visible scratches.
• Minor surface scratches are present on the gold-tone case, consistent with normal vintage wear.
• The original Seiko dial, case, and hardware have been retained.
• Fitted with a brand-new aftermarket genuine leather strap in black, with a matching gold-tone buckle.
• The battery was replaced in August 2026, and the watch is functional at the time of inspection.

As with all pre-loved vintage pieces, subtle signs of age, handling, and previous wear should be expected.

Water Resistance: Although the watch is marked “Water Resistant,” water resistance cannot be guaranteed due to its vintage age. We recommend avoiding exposure to water.

Please carefully review all product photographs before purchasing, as they form an integral part of the condition description and showcase the watch’s actual appearance and any visible imperfections.