Seiko Cal. 6685 - 417

This Spring Drive model from 1978 features a 40mm Two-Tone case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-80df42ae05bf]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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