Seiko Cal. 7133 - 831

The Seiko 7133-831 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8c7a5dd187b6]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1967

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