Seiko Cal. 6685 - 692

The Seiko 6685-692 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b4c7a73a860e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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