Seiko Cal. 6623 - 878

The 6623-878 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-8ab2dacbc813]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1987

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