Seiko Cal. 6136 - 231

The Seiko 6136-231 represents an important milestone in Seiko's 1991 lineup. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d2c27b5a190c]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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