Seiko Cal. 6181 - 630

The Seiko 6181-630 represents an important milestone in Seiko's 1974 lineup. Powered by the 6181 caliber with 19j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-84ab757407d4]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1974

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