Seiko Cal. 4428 - 879

Seiko 4428-879

The Seiko 4428-879 represents an important milestone in Seiko's 1978 lineup. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-958f8a8025a0]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1978

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seikata-wm-958f8a8025a0