Seiko Cal. 4427 - 873

The 4427-873 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4427 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-331b09ab8b74]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

Related Models

• Seiko 6390-955
• Seiko 5618-775
• Seiko 7191-381
• Seiko 5222-589
• Seiko 4446-873
• Seiko 4456-262
• Seiko 6268-649
• Seiko 3819-329
• Seiko 6373-266
• Seiko 6337-795
• Seiko 7123-607
• Seiko 6398-158