Seiko Cal. 6377 - 979

The Seiko 6377-979 represents an important milestone in Seiko's 1999 lineup. Powered by the 6377 caliber with 25j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-3d8d862f2127]

Also known as: Tuna, Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1999

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