Seiko Cal. 4531 - 923

This Spring Drive model from 1999 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-386a50ae51a6]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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