Seiko Cal. 4428 - 186

The Seiko 4428-186 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-5b0998ec3dc5]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1981

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