Seiko Cal. 4438 - 444

Seiko 4438-444

The Seiko 4438-444 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-e3c805fa7196]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1966

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