Seiko Cal. 4427 - 828

Seiko 4427-828

The 4427-828 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-b4e746334d9b]

Also known as: Pogue, Helmet

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
42mm
Case Thickness
8.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
24j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1971

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