Seiko Cal. 6665 - 649

The Seiko 6665-649 represents an important milestone in Seiko's 1965 lineup. Powered by the 6665 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-888c98996fa8]

Also known as: Monster, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1965

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