Seiko Cal. 4428 - 379

Released in 1993, the Cal. 4428 with design code 379 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-cf2ec075b390]

Also known as: Silverwave, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1993

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