Seiko Cal. 6377 - 628

The Seiko 6377-628 represents an important milestone in Seiko's 1984 lineup. Powered by the 6377 caliber with 30j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-fc413ab9dc32]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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