Seiko Cal. 6164 - 463

This Spring Drive model from 1978 features a 40mm Titanium case. Powered by the 6164 caliber with 22j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-6f7740509a14]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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