Seiko Cal. 5623 - 733

This Quartz model from 1979 features a 43mm Two-Tone case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7da92bb8fc27]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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