Seiko Cal. 6158 - 678

The 6158-678 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6158 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-079ac94acc4c]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1997

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