Seiko Cal. 7188 - 139

The 7188-139 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7188 caliber with 31j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-a879c7f1e086]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1997

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