Seiko Cal. 7139 - 788

The Seiko 7139-788 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-cbfd1f17e18f]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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