Seiko Cal. 4421 - 175

Seiko 4421-175

The 4421-175 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4421 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-92f0f00ee553]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
21j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1975

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