Seiko Cal. 6381 - 663

This Kinetic model from 1965 features a 40mm Two-Tone case. Powered by the 6381 caliber with 26j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-5eddee078fdb]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1965

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