Seiko Cal. 7188 - 139

The 7188-139 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7188 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0e9e0c01d56d]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

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