Seiko Cal. 6138 - 571

This Spring Drive model from 1991 features a 38mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-e28f5ba18491]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1991

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