Seiko Cal. 7178 - 106

This Spring Drive model from 1996 features a 38mm Gold-Plated case. Powered by the 7178 caliber with 21j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-5746b0d25a9e]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1996

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