Seiko Cal. 7178 - 528

The Seiko 7178-528 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1338eeb8ab67]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1968

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