Seiko Cal. 6633 - 608

The Seiko 6633-608 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-9be0ce0b192d]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1965

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