Seiko Cal. 6399 - 177

This Hand-Winding model from 1970 features a 46mm Two-Tone case. Powered by the 6399 caliber with 30j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-43f34155f747]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1970

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