Seiko Cal. 6635 - 588

Released in 1973, the Cal. 6635 with design code 588 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-bb5c68c690fd]

Also known as: UFO, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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