Seiko Cal. 6193 - 631

The Seiko 6193-631 represents an important milestone in Seiko's 1967 lineup. Powered by the 6193 caliber with 29j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-2ad1a2ad0685]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

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