Seiko Cal. 6670 - 836

The Seiko 6670-836 represents an important milestone in Seiko's 1986 lineup. Powered by the 6670 caliber with 33j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-24523377fe40]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1986

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