Seiko Cal. 6392 - 660

This Spring Drive model from 1977 features a 46mm Gold-Plated case. Powered by the 6392 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-074dc790e10c]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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