Seiko Cal. 6178 - 256

This Spring Drive model from 1992 features a 37mm Stainless Steel case. Powered by the 6178 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-dabe183dd977]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1992

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