Seiko Cal. 6377 - 879

The 6377-879 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6377 caliber with 19j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-536115308437]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1989

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