Seiko Cal. 6623 - 599

This Spring Drive model from 1976 features a 36mm PVD Black case. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-4e9a956e58a0]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

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