Seiko Cal. 5623 - 638

The Seiko 5623-638 represents an important milestone in Seiko's 1967 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-978cc04d1a6f]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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