Seiko Cal. 6665 - 100

The Seiko 6665-100 represents an important milestone in Seiko's 1987 lineup. Powered by the 6665 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-231367c84fbb]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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