Seiko Cal. 6122 - 178

The Seiko 6122-178 represents an important milestone in Seiko's 1987 lineup. Powered by the 6122 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-1f88217fb7fd]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1987

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