Seiko Cal. 4439 - 600

The 4439-600 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4439 caliber with 21j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-96a14e8ef9a8]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

Related Models

• Seiko 5659-390
• Seiko 6388-931
• Seiko 5656-131
• Seiko 3833-104
• Seiko 4571-258
• Seiko 6144-655
• Seiko 4540-759
• Seiko 6254-783
• Seiko 6234-793
• Seiko 7080-641
• Seiko 6322-591
• Seiko 7135-720