Seiko Cal. 7188 - 637

The 7188-637 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-5dd66ddebaf0]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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