Seiko Cal. 4447 - 671

Seiko 4447-671

The 4447-671 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-875e61f05d18]

Also known as: Sportsmatic, World Timer

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
35mm
Case Thickness
15.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
33j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1977

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