Seiko Cal. 6684 - 725

The Seiko 6684-725 represents an important milestone in Seiko's 1985 lineup. Powered by the 6684 caliber with 17j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-14d819e9bbf0]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1985

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