Seiko Cal. 6661 - 700

The Seiko 6661-700 represents an important milestone in Seiko's 1985 lineup. Powered by the 6661 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-80ebe529f0f5]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1985

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