Seiko Cal. 7187 - 507

The 7187-507 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-daa21aef2720]

Also known as: Goldfeather, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1991

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