Seiko Cal. 5669 - 910

The 5669-910 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5669 caliber with 30j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-271eb8d2c9c6]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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