Seiko Cal. 3818 - 457

The Seiko 3818-457 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-862303c1c0b1]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1968

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