Seiko Cal. 0731 - 554

The Seiko 0731-554 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-7e71f5cb2ddb]

Also known as: Tuna, Pogue

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1991

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