Seiko Cal. 6191 - 648

The Seiko 6191-648 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-91dd113bba6f]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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