Seiko Cal. 5641 - 761

The 5641-761 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5641 caliber with 27j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-ee5b2c761534]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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