Seiko Cal. 7188 - 258

The 7188-258 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-e4255b94e8c0]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1968

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