Seiko Cal. 4447 - 435

Seiko 4447-435

The 4447-435 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-0f9cd78eaa7b]

Also known as: Monster, Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1980

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