Seiko Cal. 4428 - 959

Seiko 4428-959

The 4428-959 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4428 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-f69b9c286950]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1968

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