Seiko Cal. 7187 - 713

The Seiko 7187-713 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-41627831c7c6]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1971

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