Seiko Cal. 5240 - 255

This Spring Drive model from 1969 features a 35mm PVD Black case. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-9e6541a546ed]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1969

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