Seiko Cal. 7178 - 493

The 7178-493 is a sought-after Solar piece from Seiko's golden era. Powered by the 7178 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-23db5a3c5caa]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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