Seiko Cal. 7188 - 310

The 7188-310 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-ab6df7772724]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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