Seiko Cal. 6330 - 403

The Seiko 6330-403 represents an important milestone in Seiko's 1971 lineup. Powered by the 6330 caliber with 24j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-33f122874979]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1971

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