Seiko Cal. 5678 - 730

This Hand-Winding model from 1973 features a 46mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-240234a65c69]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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