The Grand Seiko 43999 is a milestone in the brand's story, released in 1963 as the first model with a date complication. It features a technical breakthrough and design revolution, embodying Taro Tanaka's visionary 'Grammar of Design'. This all-original example has just undergone a complete service.

• Condition: Excellent, recently serviced and refinished
• Case: 36mm diameter
• Movement: Manual-wind Caliber 430, serviced
• Dial: Original

The Grand Seiko 43999 is a milestone in the brand's story, released in 1963 as its first model with a date complication. It represents both a technical breakthrough and design revolution, embodying Taro Tanaka's 'Grammar of Design' philosophy.

• Condition: Pre-owned, recently serviced
• Case Finish: expertly refinished by The Lapinist
• Movement Service: freshly serviced manual-wind Caliber 430
• Dial Condition: original, remarkably well preserved

For sale a nice 2nd Grand Seiko Chronometer, unpolished case and original plated crown.

• Condition: Unpolished case, original plated crown
• Case condition: unpolished
• Crown status: original plated

This Grand Seiko 43999/430 AD is a manual-wind chronometer with a stainless steel case, 35 jewels, and an acrylic crystal. It features a self-dating mechanism and comes with original accessories.

• Condition: good
• Case Width: 36.5mm
• Lug To Lug: 42 mm
• Thickness: 9 mm

A manual-wind Seiko Grand Seiko from 1966, featuring a stainless steel case and a 35 jewel movement. The watch is in good condition considering its age.

• Condition: Good (considering age)
• Case Size: 36.5mm
• Lug To Lug: 42mm
• Thickness: 9mm