Seiko Cal. 7188 - 946

This Hand-Winding model from 1991 features a 37mm PVD Black case. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-8b2ff2549282]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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