Seiko Cal. 5642 - 839

The 5642-839 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5642 caliber with 31j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-7b6c74e7db2a]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1965

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