This 1964 Grand Seiko Ref. 43999, also known as the “Self-Dater,” is one of the most important early chapters in Grand Seiko history. It features a date complication and was produced around 1964.

• Condition: Great, serviced condition with minor hairline scratches and natural marks
• Case Size: 36.5-37mm
• Dial Color: Silver
• Movement Type: Manual-wind

A manual-winding mechanical watch with a stainless steel case, featuring hours, minutes, seconds, and date functions, along with a quick-set mechanism.

• Movement Type: manual-winding mechanical
• Caliber: 5722A
• Beat Rate: 18,000 vph

A manual wind Grand Seiko self Dater Chronograph with 35 jewels, featuring a stainless steel case and an acrylic crystal.

• Condition: good condition
• Case width: 36.5mm
• Lug to lug: 42mm
• Thickness: 9mm

The Grand Seiko Ref. 43999 is one of the most important early chapters in Grand Seiko history, produced around 1964 with a date complication and housed in a beautifully proportioned stainless steel case.

• Condition: Great serviced condition with minor hairline scratches on the case and caseback fitting for its age.
• Case size: 36.5-37mm
• Movement type: Manual-wind Caliber 430
• Jewels: 35

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