Seiko Cal. 6188 - 420

Released in 1978, the Cal. 6188 with design code 420 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-f37cca3fefcc]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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