Seiko Cal. 6177 - 716

This Spring Drive model from 1966 features a 34mm Hardlex-Coated Steel case. Powered by the 6177 caliber with 18j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a0508d8b5754]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1966

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