Seiko Cal. 5643 - 436

The Seiko 5643-436 represents an important milestone in Seiko's 1978 lineup. Powered by the 5643 caliber with 29j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-6469d7212937]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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