Seiko Cal. 0731 - 240

The Seiko 0731-240 represents an important milestone in Seiko's 1990 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-4c6c8abf84f9]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1990

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