Seiko Cal. 0740 - 606

The Seiko 0740-606 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d718cce9cb9c]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1985

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