Seiko Cal. 6674 - 397

The Seiko 6674-397 represents an important milestone in Seiko's 1975 lineup. Powered by the 6674 caliber with 32j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-52cd05eb8b20]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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