Seiko Cal. 6163 - 665

The 6163-665 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6163 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-5a317f847ea2]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1990

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