Seiko Cal. 5638 - 620

The 5638-620 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5638 caliber with 18j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-e0ccfad2c245]

Also known as: Panda, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1994

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