Seiko Cal. 6663 - 754

The Seiko 6663-754 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ab4c1cf2dec0]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

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