Seiko Cal. 7131 - 613

The Seiko 7131-613 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8054bb4a257a]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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