Seiko Cal. 4538 - 170

The Seiko 4538-170 represents an important milestone in Seiko's 1971 lineup. Powered by the 4538 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-e136a9094243]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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