Seiko Cal. 4439 - 649

Seiko 4439-649

The 4439-649 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4439 caliber with 29j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-0609636c8d17]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1988

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seikata-wm-0609636c8d17