Seiko Cal. 7138 - 104

Seiko 7138-104

The Seiko 7138-104 represents an important milestone in Seiko's 1990 lineup. Powered by the 7138 caliber with 30j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-b54cc6bea091]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1990

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seikata-wm-b54cc6bea091