Seiko Cal. 5240 - 433

The 5240-433 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-cfa210be7c5e]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

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