Seiko Cal. 7052 - 187

The Seiko 7052-187 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-e29a3ac1eb6b]

Also known as: Tuna, Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1977

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