Seiko Cal. 0784 - 431

The 0784-431 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0784 caliber with 22j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-62daf66794c4]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1967

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