Seiko Cal. 6665 - 714

The 6665-714 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c929e0ef07ad]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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