Seiko Cal. 7180 - 435

The Seiko 7180-435 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-a23810a8553e]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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