Seiko Cal. 7040 - 913

The Seiko 7040-913 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2ee3eef51ac7]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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