Seiko Cal. 6630 - 975

The Seiko 6630-975 represents an important milestone in Seiko's 1981 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-71afc7f8ecb5]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1981

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