Seiko Cal. 4478 - 157

This Hand-Winding model from 1993 features a 40mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-ae037a781a79]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1993

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