Seiko Cal. 7140 - 366

The 7140-366 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-e58d36073057]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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