Seiko Cal. 7179 - 687

Seiko 7179-687

The Seiko 7179-687 represents an important milestone in Seiko's 1980 lineup. Powered by the 7179 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-c3b16eb6317f]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1980

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