Seiko Cal. 6634 - 519

The 6634-519 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6634 caliber with 34j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-e2e293edec76]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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