Seiko Cal. 7040 - 388

The Seiko 7040-388 represents an important milestone in Seiko's 1970 lineup. Powered by the 7040 caliber with 18j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-5fd883f12b40]

Also known as: Shogun, Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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