Seiko Cal. 0731 - 945

This Automatic model from 1991 features a 43mm Gold-Plated case. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-1ed1f7c3c397]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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