Seiko Cal. 4538 - 643

This Hand-Winding model from 1969 features a 43mm Two-Tone case. Powered by the 4538 caliber with 17j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-50aa05ece402]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

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