Seiko Cal. 7036 - 634

The Seiko 7036-634 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-db3b8b86dfc1]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

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