Seiko Cal. 4427 - 642

Seiko 4427-642

The 4427-642 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-0f8629ff68f2]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1979

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