Seiko Cal. 6660 - 916

The Seiko 6660-916 represents an important milestone in Seiko's 1995 lineup. Powered by the 6660 caliber with 18j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-71de4018e2e0]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1995

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