Seiko Cal. 4428 - 658

The 4428-658 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-768a186895e5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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