Seiko Cal. 4428 - 483

The 4428-483 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-eeaa31266db6]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1993

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