Seiko Cal. 5638 - 600

The 5638-600 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5638 caliber with 28j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-5cc4d779417a]

Also known as: Tuna, Panda

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1994

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