Seiko Cal. 6178 - 243

The 6178-243 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6178 caliber with 31j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-e9e22401e02d]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1990

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