Seiko Cal. 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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