Seiko Cal. 7139 - 190

Seiko 7139-190

The Seiko 7139-190 represents an important milestone in Seiko's 1975 lineup. Powered by the 7139 caliber with 29j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-f8911ac182cb]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1975

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