Seiko Cal. 4427 - 291

Seiko 4427-291

The 4427-291 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-10d41b394b02]

Also known as: Sportsmatic, Flighty

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
13.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1977

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