Seiko Cal. 4423 - 715

The 4423-715 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4423 caliber with 19j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-3f3f347e67e5]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

Related Models

• Seiko 6367-616
• Seiko 6153-503
• Seiko 5237-514
• Seiko 5268-533
• Seiko 4534-547
• Seiko 6653-154
• Seiko 4497-812
• Seiko 4576-990
• Seiko 6114-496
• Seiko 6333-816
• Seiko 5656-407
• Seiko 6395-560