Seiko Cal. 5667 - 784

The Seiko 5667-784 represents an important milestone in Seiko's 1971 lineup. Powered by the 5667 caliber with 34j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-eab1652357d5]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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