Seiko Cal. 7138 - 420

The 7138-420 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-09efe4bd24e4]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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