Seiko Cal. 4443 - 523

This Spring Drive model from 1985 features a 34mm Two-Tone case. Powered by the 4443 caliber with 17j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-8f5601df7b46]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

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