Seiko Cal. 5613 - 411

The Seiko 5613-411 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1bbacc993347]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1983

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