Seiko Cal. 6375 - 403

The Seiko 6375-403 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-11adb28de29d]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

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