Seiko Cal. 6630 - 843

The Seiko 6630-843 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-7a8a077615c0]

Also known as: Bullhead, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1974

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