Seiko Cal. 5647 - 742

The 5647-742 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-f768db2ec1a8]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1970

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