Seiko Cal. 7040 - 666

The Seiko 7040-666 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-ee106a89c334]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

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