Seiko Cal. 6371 - 675

The 6371-675 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6371 caliber with 21j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-12839cc7837b]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1984

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