Seiko Cal. 5641 - 394

The Seiko 5641-394 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f4fd7312c7d6]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1965

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