Seiko Cal. 4428 - 877

Seiko 4428-877

Released in 1985, the Cal. 4428 with design code 877 was part of Seiko's domestic market collection. Powered by the 4428 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-4a8232734364]

Also known as: Pogue, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
27j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1985

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seikata-wm-4a8232734364