Seiko Cal. 6178 - 964

Released in 1975, the Cal. 6178 with design code 964 was part of Seiko's domestic market collection. Powered by the 6178 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-6b599e8a06f0]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1975

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