Seiko Cal. 6648 - 161

This Kinetic model from 1975 features a 44mm Titanium case. Powered by the 6648 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-a595b30e169d]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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