Seiko Cal. 6673 - 648

The Seiko 6673-648 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0fc0e1ab5dec]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1975

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