Seiko Cal. 4439 - 424

Seiko 4439-424

The 4439-424 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1cc5840c5c52]

Also known as: Bellmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1971

Related Models

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