Seiko Cal. 5240 - 188

The Seiko 5240-188 represents an important milestone in Seiko's 1984 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-54de17c3ce3f]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1984

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