Seiko Cal. 6373 - 613

The Seiko 6373-613 represents an important milestone in Seiko's 1991 lineup. Powered by the 6373 caliber with 26j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-05a5ef17975e]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1991

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