Seiko Cal. 0731 - 581

Released in 1985, the Cal. 0731 with design code 581 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-635e8e575b87]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1985

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