Seiko Cal. 6697 - 764

The 6697-764 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-774ae74dda76]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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