Seiko Cal. 6330 - 418

The Seiko 6330-418 represents an important milestone in Seiko's 1968 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-2996f5054372]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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