Seiko Cal. 6178 - 833

The Seiko 6178-833 represents an important milestone in Seiko's 1977 lineup. Powered by the 6178 caliber with 30j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-dc6fdab389d2]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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