Seiko Cal. 7180 - 840

The Seiko 7180-840 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1c61ddb523ac]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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