Seiko Cal. 0783 - 636

The 0783-636 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0783 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-4099b35c31ad]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1967

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