Seiko Cal. 6377 - 964

The 6377-964 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6377 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-fd48767209fb]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

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