Seiko Cal. 5634 - 780

The 5634-780 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5634 caliber with 34j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-643de95955f7]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1993

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