Seiko Cal. 4440 - 390

Seiko 4440-390

The 4440-390 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-d922200fe8e2]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1990

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