Seiko Cal. 3840 - 566

The 3840-566 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-d503268db842]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1968

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