Seiko Cal. 5623 - 421

The 5623-421 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-7daaca1bceeb]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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