Seiko Cal. 7191 - 431

The Seiko 7191-431 represents an important milestone in Seiko's 1974 lineup. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-a2144a852e20]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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