Seiko Cal. 5638 - 175

The 5638-175 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5638 caliber with 30j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-840c4d58f099]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1986

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