Seiko Cal. 5638 - 226

The 5638-226 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5638 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-93ea710da0a2]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1996

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