Seiko Cal. 7078 - 307

The Seiko 7078-307 represents an important milestone in Seiko's 1970 lineup. Powered by the 7078 caliber with 24j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-4230a7aa5f05]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1970

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