Seiko Cal. 6388 - 138

This Spring Drive model from 1983 features a 42mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-03ff5611cba2]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

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