Seiko Cal. 7131 - 797

Seiko 7131-797

The Seiko 7131-797 represents an important milestone in Seiko's 1992 lineup. Powered by the 7131 caliber with 29j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-85c3db3ee1d2]

Also known as: Monster, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
15.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1992

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