Seiko Cal. 7131 - 666

Seiko 7131-666

This Quartz model from 1972 features a 34mm PVD Black case. Powered by the 7131 caliber with 22j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-24467fa6aa6b]

Also known as: Pogue, Baby Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
34mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1972

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