Seiko Cal. 5240 - 550

The 5240-550 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-fbb2c2379a60]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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