Seiko Cal. 6685 - 671

The Seiko 6685-671 represents an important milestone in Seiko's 1996 lineup. Powered by the 6685 caliber with 18j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-26acfb44362e]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1996

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