Seiko Cal. 5641 - 530

The Seiko 5641-530 represents an important milestone in Seiko's 1969 lineup. With its 19mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-b6094ddfec44]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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