Seiko Cal. 7078 - 139

Released in 1973, the Cal. 7078 with design code 139 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-096923963ce6]

Also known as: Sumo, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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