Seiko Cal. 4439 - 392

The 4439-392 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4439 caliber with 19j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ccd9a90ccd34]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1983

Related Models

• Seiko 7127-523
• Seiko 7159-484
• Seiko 6648-516
• Seiko 6654-519
• Seiko 4485-761
• Seiko 7071-858
• Seiko 5698-438
• Seiko 7015-819
• Seiko 6260-648
• Seiko 7085-773
• Seiko 7055-629
• Seiko 5692-468