Seiko Cal. 4447 - 378

Seiko 4447-378

The 4447-378 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-67ba33790f46]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1979

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