Seiko Cal. 6685 - 733

The Seiko 6685-733 represents an important milestone in Seiko's 1968 lineup. Powered by the 6685 caliber with 19j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-829a9adb2237]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1968

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