Seiko Cal. 7136 - 623

The Seiko 7136-623 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d130ccfb0d04]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1967

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