Seiko Cal. 5685 - 683

The Seiko 5685-683 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3d16cad23bb3]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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