Seiko Cal. 4447 - 640

Seiko 4447-640

The 4447-640 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e7acec326e3c]

Also known as: Turtle, Panda

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
41mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1990

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