Seiko Cal. 6628 - 277

Seiko 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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