Seiko Cal. 6674 - 788

The Seiko 6674-788 represents an important milestone in Seiko's 1973 lineup. Powered by the 6674 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-bc0009572356]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1973

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