Seiko Cal. 6673 - 756

The Seiko 6673-756 represents an important milestone in Seiko's 1977 lineup. Powered by the 6673 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-61d6f8efdd72]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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