Seiko Cal. 6178 - 674

The Seiko 6178-674 represents an important milestone in Seiko's 1998 lineup. Powered by the 6178 caliber with 17j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-adf9d0890f36]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1998

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