Seiko Cal. 4427 - 949

The 4427-949 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4427 caliber with 23j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-15cc83d9e2eb]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

Related Models

• Seiko 0785-913
• Seiko 4467-786
• Seiko 5639-274
• Seiko 6659-540
• Seiko 6685-589
• Seiko 5680-235
• Seiko 5643-790
• Seiko 7160-970
• Seiko 6399-478
• Seiko 4564-856
• Seiko 6115-758
• Seiko 3859-204