Seiko Cal. 7172 - 281

This Spring Drive model from 1991 features a 40mm PVD Black case. With its 19mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-2abb969f4d26]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

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