Seiko Cal. 7040 - 513

The Seiko 7040-513 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-89f042a0feb1]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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