Seiko Cal. 4421 - 750

Seiko 4421-750

The 4421-750 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-f2de97b1e695]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1985

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