Seiko Cal. 6632 - 577

The Seiko 6632-577 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e8a53d49710a]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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