Seiko Cal. 6688 - 571

This Spring Drive model from 1986 features a 34mm Stainless Steel case. Powered by the 6688 caliber with 19j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-9881664a5dc5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1986

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