Seiko Cal. 6630 - 299

The Seiko 6630-299 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-ac73fde7d070]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1967

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