Seiko Cal. 5668 - 623

The Seiko 5668-623 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-7cc21dee6665]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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