Seiko Cal. 7078 - 344

The Seiko 7078-344 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e8e48fa32a01]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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