Seiko Cal. 6383 - 428

The Seiko 6383-428 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-38ca538623f2]

Also known as: Tuna, Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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