Seiko Cal. 4428 - 250

Seiko 4428-250

The Seiko 4428-250 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f9c3bedce66e]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
43mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1973

Related Models

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