Seiko Cal. 4428 - 282

The 4428-282 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-ebaacdcea4b8]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1984

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