Seiko Cal. 4428 - 750

Seiko 4428-750

Released in 1999, the Cal. 4428 with design code 750 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-3b2712092c9a]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1999

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