Seiko Cal. 6665 - 671

The Seiko 6665-671 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-23b87658151d]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1969

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