Seiko Cal. 6628 - 277

The Seiko 6628-277 represents an important milestone in Seiko's 1986 lineup. Powered by the 6628 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-69ac5072fe9b]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1986

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