Seiko Cal. 6138 - 831

This Quartz model from 1991 features a 44mm Stainless Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-67fb2df5b957]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1991

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