Seiko Cal. 5623 - 592

The Seiko 5623-592 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-f429bec76f22]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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