Seiko Cal. 7188 - 728

The 7188-728 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-129a81e26e63]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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